Estadísticas de uso para www.gruasvidal.com

Período resumido: Agosto 2008 - Generado el 01-Sep-2008 04:20 CEST
Estadísticas diarias | Estadísticas por horas | URLs | Entrada | Salida | Clientes
Enlaces origen | Búsqueda | Programas visores | Países
Estadísticas mensuales de Agosto 2008
Total Accesos 49679
Total Archivos 31514
Total Páguinas 8532
Total Visitas 2484
Total KBytes 264680
Total Clientes 1002
Total URLs 262
Total Enlaces origen 134
Total Programas visores 187
. Media Max
Accesos por Hora 66 458
Accesos por Dia 1602 3182
Archivos por Dia 1016 1960
Páginas por Dia 275 582
Visitas por Dia 80 122
KBytes por Dia 8538 21754
Accesos por código de respuesta
Código de respuesta indefinido 22
200 - OK 31514
206 - Contenido parcial 1
301 - Movido permanentemente 63
302 - Encontrado 511
304 - No modificado 17565
403 - Prohibido 3

Uso diario en Agosto 2008

Estadísticas diarias de Agosto 2008
Día Accesos Archivos Páguinas Visitas Clientes KBytes
1 1911 3.85% 1018 3.23% 308 3.61% 94 3.78% 69 6.89% 7636 2.89%
2 844 1.70% 558 1.77% 153 1.79% 72 2.90% 52 5.19% 4788 1.81%
3 83 0.17% 73 0.23% 27 0.32% 14 0.56% 12 1.20% 724 0.27%
4 2731 5.50% 1960 6.22% 487 5.71% 110 4.43% 73 7.29% 21754 8.22%
5 2398 4.83% 1604 5.09% 415 4.86% 103 4.15% 73 7.29% 10697 4.04%
6 2515 5.06% 1699 5.39% 367 4.30% 122 4.91% 85 8.48% 10293 3.89%
7 2204 4.44% 1361 4.32% 339 3.97% 106 4.27% 70 6.99% 10979 4.15%
8 2609 5.25% 1295 4.11% 361 4.23% 91 3.66% 61 6.09% 9174 3.47%
9 490 0.99% 398 1.26% 121 1.42% 46 1.85% 32 3.19% 4292 1.62%
10 582 1.17% 444 1.41% 177 2.07% 70 2.82% 38 3.79% 9239 3.49%
11 1994 4.01% 1498 4.75% 339 3.97% 84 3.38% 56 5.59% 12835 4.85%
12 2516 5.06% 1460 4.63% 404 4.74% 94 3.78% 62 6.19% 13180 4.98%
13 152 0.31% 143 0.45% 33 0.39% 15 0.60% 15 1.50% 1458 0.55%
14 1711 3.44% 1005 3.19% 284 3.33% 94 3.78% 49 4.89% 8070 3.05%
15 669 1.35% 541 1.72% 153 1.79% 55 2.21% 41 4.09% 6902 2.61%
16 241 0.49% 175 0.56% 76 0.89% 52 2.09% 34 3.39% 1700 0.64%
17 423 0.85% 384 1.22% 151 1.77% 68 2.74% 44 4.39% 8265 3.12%
18 1970 3.97% 1311 4.16% 353 4.14% 91 3.66% 54 5.39% 10826 4.09%
19 1907 3.84% 1045 3.32% 267 3.13% 82 3.30% 47 4.69% 7518 2.84%
20 2548 5.13% 1671 5.30% 410 4.81% 102 4.11% 64 6.39% 13864 5.24%
21 1879 3.78% 1193 3.79% 292 3.42% 89 3.58% 55 5.49% 8755 3.31%
22 2252 4.53% 1658 5.26% 582 6.82% 96 3.86% 61 6.09% 10094 3.81%
23 890 1.79% 704 2.23% 201 2.36% 76 3.06% 46 4.59% 5727 2.16%
24 125 0.25% 117 0.37% 41 0.48% 20 0.81% 13 1.30% 1522 0.57%
25 2170 4.37% 1244 3.95% 358 4.20% 102 4.11% 64 6.39% 11098 4.19%
26 2165 4.36% 1255 3.98% 333 3.90% 107 4.31% 71 7.09% 9117 3.44%
27 2822 5.68% 1672 5.31% 412 4.83% 105 4.23% 78 7.78% 11658 4.40%
28 2319 4.67% 1312 4.16% 333 3.90% 100 4.03% 60 5.99% 9517 3.60%
29 3182 6.41% 1686 5.35% 422 4.95% 89 3.58% 69 6.89% 10953 4.14%
30 784 1.58% 534 1.69% 156 1.83% 58 2.33% 37 3.69% 5190 1.96%
31 593 1.19% 496 1.57% 177 2.07% 80 3.22% 48 4.79% 6857 2.59%

Uso por horas en Agosto 2008

Estadísticas horarias de Agosto 2008
Hora Accesos Archivos Páguinas KBytes
Media Total Media Total Media Total Media Total
0 27 861 1.73% 24 760 2.41% 6 202 2.37% 215 6675 2.52%
1 43 1358 2.73% 36 1117 3.54% 16 505 5.92% 237 7341 2.77%
2 7 226 0.45% 5 163 0.52% 3 99 1.16% 55 1715 0.65%
3 6 196 0.39% 5 177 0.56% 2 63 0.74% 40 1249 0.47%
4 9 291 0.59% 8 253 0.80% 3 94 1.10% 107 3311 1.25%
5 8 264 0.53% 7 231 0.73% 3 95 1.11% 131 4049 1.53%
6 9 287 0.58% 8 258 0.82% 2 83 0.97% 105 3244 1.23%
7 4 141 0.28% 3 107 0.34% 2 68 0.80% 92 2843 1.07%
8 115 3591 7.23% 61 1909 6.06% 18 575 6.74% 578 17927 6.77%
9 108 3365 6.77% 62 1925 6.11% 16 508 5.95% 447 13860 5.24%
10 135 4188 8.43% 64 2012 6.38% 18 566 6.63% 456 14132 5.34%
11 109 3381 6.81% 71 2223 7.05% 17 550 6.45% 560 17351 6.56%
12 162 5025 10.11% 105 3280 10.41% 23 738 8.65% 854 26462 10.00%
13 115 3580 7.21% 76 2366 7.51% 17 531 6.22% 563 17444 6.59%
14 63 1981 3.99% 45 1402 4.45% 11 344 4.03% 367 11379 4.30%
15 93 2897 5.83% 52 1612 5.12% 16 497 5.83% 471 14608 5.52%
16 100 3104 6.25% 63 1971 6.25% 15 480 5.63% 531 16460 6.22%
17 103 3197 6.44% 64 1989 6.31% 17 538 6.31% 639 19809 7.48%
18 107 3329 6.70% 63 1970 6.25% 14 464 5.44% 404 12532 4.73%
19 116 3613 7.27% 64 1999 6.34% 18 577 6.76% 460 14253 5.38%
20 61 1912 3.85% 42 1324 4.20% 9 307 3.60% 325 10083 3.81%
21 41 1292 2.60% 36 1144 3.63% 8 257 3.01% 358 11085 4.19%
22 23 717 1.44% 19 606 1.92% 5 182 2.13% 296 9168 3.46%
23 28 883 1.78% 23 716 2.27% 6 209 2.45% 248 7701 2.91%

Los 30 primeros de un total de 262 URLs
# Accesos KBytes URL
1 1862 3.75% 1825 0.69% http://www.gruasvidal.com/
2 1435 2.89% 611 0.23% http://www.gruasvidal.com/cgi-bin/Count.cgi
3 1290 2.60% 11463 4.33% http://www.gruasvidal.com/principal.htm
4 1281 2.58% 6051 2.29% http://www.gruasvidal.com/menu.js
5 1273 2.56% 1722 0.65% http://www.gruasvidal.com/menucontext.js
6 1270 2.56% 1986 0.75% http://www.gruasvidal.com/cabeceira.htm
7 279 0.56% 379 0.14% http://www.gruasvidal.com/favicon.ico
8 209 0.42% 3037 1.15% http://www.gruasvidal.com/formulario.htm
9 166 0.33% 4947 1.87% http://www.gruasvidal.com/gruas.htm
10 144 0.29% 13483 5.09% http://www.gruasvidal.com/stats/usage_200803.html
11 110 0.22% 742 0.28% http://www.gruasvidal.com/perfil.htm
12 107 0.22% 916 0.35% http://www.gruasvidal.com/camionespluma.htm
13 96 0.19% 781 0.29% http://www.gruasvidal.com/transportes.htm
14 89 0.18% 13705 5.18% http://www.gruasvidal.com/stats/usage_200808.html
15 80 0.16% 874 0.33% http://www.gruasvidal.com/stats/
16 74 0.15% 392 0.15% http://www.gruasvidal.com/galicia.htm
17 67 0.13% 204 0.08% http://www.gruasvidal.com/coruna.htm
18 67 0.13% 222 0.08% http://www.gruasvidal.com/vigo.htm
19 66 0.13% 227 0.09% http://www.gruasvidal.com/grua1.htm
20 63 0.13% 79 0.03% http://gruasvidal.com/
21 63 0.13% 206 0.08% http://www.gruasvidal.com/gruas4.htm
22 63 0.13% 262 0.10% http://www.gruasvidal.com/lugo.htm
23 62 0.12% 210 0.08% http://www.gruasvidal.com/transporte3.htm
24 59 0.12% 271 0.10% http://www.gruasvidal.com/aenor.htm
25 56 0.11% 190 0.07% http://www.gruasvidal.com/grua3.htm
26 53 0.11% 176 0.07% http://www.gruasvidal.com/ferrol.htm
27 52 0.10% 161 0.06% http://www.gruasvidal.com/transporte1.htm
28 51 0.10% 153 0.06% http://www.gruasvidal.com/sancibrao.htm
29 51 0.10% 155 0.06% http://www.gruasvidal.com/transporte4.htm
30 50 0.10% 180 0.07% http://www.gruasvidal.com/grua2.htm

Los 10 primeros de un total de 262 URLs Por KBytes
# Accesos KBytes URL
1 89 0.18% 13705 5.18% http://www.gruasvidal.com/stats/usage_200808.html
2 144 0.29% 13483 5.09% http://www.gruasvidal.com/stats/usage_200803.html
3 1290 2.60% 11463 4.33% http://www.gruasvidal.com/principal.htm
4 1281 2.58% 6051 2.29% http://www.gruasvidal.com/menu.js
5 166 0.33% 4947 1.87% http://www.gruasvidal.com/gruas.htm
6 18 0.04% 3410 1.29% http://www.gruasvidal.com/stats/usage_200804.html
7 209 0.42% 3037 1.15% http://www.gruasvidal.com/formulario.htm
8 15 0.03% 2690 1.02% http://www.gruasvidal.com/stats/usage_200802.html
9 14 0.03% 2670 1.01% http://www.gruasvidal.com/stats/usage_200712.html
10 15 0.03% 2669 1.01% http://www.gruasvidal.com/stats/usage_200710.html

Los 10 primeros de un total de 101 Total Páguinas de Entrada
# Accesos Visitas URL
1 1862 3.75% 1131 47.30% http://www.gruasvidal.com/
2 1270 2.56% 342 14.30% http://www.gruasvidal.com/cabeceira.htm
3 209 0.42% 124 5.19% http://www.gruasvidal.com/formulario.htm
4 89 0.18% 69 2.89% http://www.gruasvidal.com/stats/usage_200808.html
5 80 0.16% 57 2.38% http://www.gruasvidal.com/stats/
6 63 0.13% 55 2.30% http://gruasvidal.com/
7 1290 2.60% 52 2.17% http://www.gruasvidal.com/principal.htm
8 44 0.09% 24 1.00% http://www.gruasvidal.com/lugalesp.htm
9 110 0.22% 24 1.00% http://www.gruasvidal.com/perfil.htm
10 1435 2.89% 23 0.96% http://www.gruasvidal.com/cgi-bin/Count.cgi

Los 10 primeros de un total de 105 Total Páguinas de Salida
# Accesos Visitas URL
1 1862 3.75% 593 24.92% http://www.gruasvidal.com/
2 1435 2.89% 583 24.50% http://www.gruasvidal.com/cgi-bin/Count.cgi
3 209 0.42% 169 7.10% http://www.gruasvidal.com/formulario.htm
4 1290 2.60% 91 3.82% http://www.gruasvidal.com/principal.htm
5 89 0.18% 71 2.98% http://www.gruasvidal.com/stats/usage_200808.html
6 80 0.16% 55 2.31% http://www.gruasvidal.com/stats/
7 166 0.33% 48 2.02% http://www.gruasvidal.com/gruas.htm
8 63 0.13% 42 1.76% http://gruasvidal.com/
9 1270 2.56% 39 1.64% http://www.gruasvidal.com/cabeceira.htm
10 67 0.13% 34 1.43% http://www.gruasvidal.com/coruna.htm

Los 30 primeros de un total de 1002 clientes
# Accesos Archivos KBytes Visitas Máquina
1 14945 30.08% 3117 9.89% 15081 5.70% 176 7.09% 254.red-83-49-140.dynamicip.rima-tde.net
2 771 1.55% 528 1.68% 2378 0.90% 11 0.44% 97.red-81-34-12.dynamicip.rima-tde.net
3 660 1.33% 408 1.29% 1816 0.69% 5 0.20% 3.red-83-38-34.dynamicip.rima-tde.net
4 594 1.20% 474 1.50% 2179 0.82% 10 0.40% 251.red-83-40-126.dynamicip.rima-tde.net
5 566 1.14% 350 1.11% 1576 0.60% 8 0.32% 196.red-88-1-254.dynamicip.rima-tde.net
6 533 1.07% 428 1.36% 1892 0.71% 8 0.32% 72.red-83-38-35.dynamicip.rima-tde.net
7 531 1.07% 177 0.56% 802 0.30% 7 0.28% 138.red-81-37-186.dynamicip.rima-tde.net
8 507 1.02% 385 1.22% 1742 0.66% 7 0.28% 199.red-88-22-160.staticip.rima-tde.net
9 502 1.01% 395 1.25% 1788 0.68% 8 0.32% 150.red-81-36-112.dynamicip.rima-tde.net
10 495 1.00% 398 1.26% 1781 0.67% 9 0.36% 193.153.52.15
11 480 0.97% 281 0.89% 1267 0.48% 5 0.20% 247.red-81-36-112.dynamicip.rima-tde.net
12 439 0.88% 221 0.70% 999 0.38% 10 0.40% 105.red-81-32-105.dynamicip.rima-tde.net
13 436 0.88% 301 0.96% 1333 0.50% 6 0.24% 141.red-83-37-155.dynamicip.rima-tde.net
14 416 0.84% 367 1.16% 1655 0.63% 6 0.24% 21.red-83-49-86.dynamicip.rima-tde.net
15 343 0.69% 304 0.96% 1378 0.52% 6 0.24% 205.red-83-45-253.dynamicip.rima-tde.net
16 342 0.69% 118 0.37% 1487 0.56% 1 0.04% 38.red-80-24-222.staticip.rima-tde.net
17 340 0.68% 277 0.88% 1244 0.47% 8 0.32% 239.red-88-23-76.staticip.rima-tde.net
18 301 0.61% 301 0.96% 583 0.22% 1 0.04% 69.46.25.83
19 296 0.60% 259 0.82% 1206 0.46% 5 0.20% 52.red-83-38-35.dynamicip.rima-tde.net
20 255 0.51% 190 0.60% 871 0.33% 3 0.12% 2.red-81-37-118.dynamicip.rima-tde.net
21 231 0.46% 70 0.22% 921 0.35% 5 0.20% 32.red-80-58-205.staticip.rima-tde.net
22 230 0.46% 221 0.70% 987 0.37% 6 0.24% 245.red-88-26-141.staticip.rima-tde.net
23 227 0.46% 180 0.57% 803 0.30% 3 0.12% 105.red-88-1-252.dynamicip.rima-tde.net
24 216 0.43% 125 0.40% 996 0.38% 2 0.08% 181.red-88-15-70.dynamicip.rima-tde.net
25 197 0.40% 160 0.51% 713 0.27% 3 0.12% 15.red-81-39-254.dynamicip.rima-tde.net
26 196 0.39% 196 0.62% 1027 0.39% 4 0.16% 79.109.185.234.dyn.user.ono.com
27 195 0.39% 190 0.60% 861 0.33% 5 0.20% 65.214.44.28
28 191 0.38% 151 0.48% 12133 4.58% 80 3.22% llf320058.crawl.yahoo.net
29 175 0.35% 64 0.20% 373 0.14% 2 0.08% 103.red-80-59-254.staticip.rima-tde.net
30 173 0.35% 88 0.28% 1141 0.43% 1 0.04% 187.red-79-145-191.staticip.rima-tde.net

Los 10 primeros de un total de 1002 clientes Por KBytes
# Accesos Archivos KBytes Visitas Máquina
1 14945 30.08% 3117 9.89% 15081 5.70% 176 7.09% 254.red-83-49-140.dynamicip.rima-tde.net
2 191 0.38% 151 0.48% 12133 4.58% 80 3.22% llf320058.crawl.yahoo.net
3 134 0.27% 98 0.31% 9386 3.55% 88 3.54% llf520091.crawl.yahoo.net
4 38 0.08% 38 0.12% 5899 2.23% 2 0.08% 79.109.153.120.dyn.user.ono.com
5 68 0.14% 40 0.13% 5571 2.10% 37 1.49% crawl-66-249-66-225.googlebot.com
6 65 0.13% 47 0.15% 4611 1.74% 39 1.57% llf520182.crawl.yahoo.net
7 53 0.11% 52 0.17% 4175 1.58% 1 0.04% 38.100.41.112
8 35 0.07% 28 0.09% 3056 1.15% 25 1.01% llf520016.crawl.yahoo.net
9 31 0.06% 28 0.09% 2395 0.90% 17 0.68% llf320063.crawl.yahoo.net
10 771 1.55% 528 1.68% 2378 0.90% 11 0.44% 97.red-81-34-12.dynamicip.rima-tde.net

Los 30 primeros de un total de 134 enlaces origen
# Accesos Enlace origen
1 34734 69.92% http://www.gruasvidal.com/principal.htm
2 5541 11.15% http://www.gruasvidal.com/cabeceira.htm
3 3776 7.60% - (Direct Request)
4 2443 4.92% http://www.gruasvidal.com/
5 300 0.60% http://www.imdb.com/name/nm0263011/
6 237 0.48% http://www.gruasvidal.com/aerogenerador.htm
7 212 0.43% http://www.google.es/search
8 192 0.39% http://www.gruasvidal.com/galicia.htm
9 183 0.37% http://www.gruasvidal.com/gruas.htm
10 120 0.24% http://66.102.9.104/translate_c
11 118 0.24% http://www.paginasamarillas.es/functions/jump.asp
12 113 0.23% http://www.gruasvidal.com/perfil.htm
13 106 0.21% http://www.gruasvidal.com/camionespluma.htm
14 93 0.19% http://gruasvidal.com/principal.htm
15 86 0.17% http://www.gruasvidal.com/transportes.htm
16 79 0.16% http://www.gruasvidal.com/grua1.htm
17 77 0.15% http://ww3.potenzmittel-viagra-kaufen.de/
18 68 0.14% http://www.gruasvidal.com/aenor.htm
19 62 0.12% http://www.gruasvidal.com/lugalesp.htm
20 60 0.12% http://www.gruasvidal.com/gruas4.htm
21 60 0.12% http://www.gruasvidal.com/transporte1.htm
22 56 0.11% http://www.gruasvidal.com/grua3.htm
23 52 0.10% http://www.gruasvidal.com/lugo.htm
24 51 0.10% http://www.gruasvidal.com/santacomba.htm
25 50 0.10% http://www.gruasvidal.com/transporte3.htm
26 48 0.10% http://www.gruasvidal.com/ferrol.htm
27 48 0.10% http://www.gruasvidal.com/grua2.htm
28 48 0.10% http://www.gruasvidal.com/transporte4.htm
29 48 0.10% http://www.gruasvidal.com/vigo.htm
30 44 0.09% http://www.gruasvidal.com/coruna.htm

Los 18 primeros de un total de 18 Total Cadenas de Búsqueda
# Accesos Cadena de Búsqueda
1 22 33.85% gruas
2 15 23.08% gruas vidal
3 11 16.92% www.gruas.com
4 3 4.62% grúas vidal
5 1 1.54% alquiler de grúa demag ac-200
6 1 1.54% demag hc 320
7 1 1.54% españa gruas
8 1 1.54% grua celosia checklist
9 1 1.54% grua de celosia
10 1 1.54% gruas ac250-1
11 1 1.54% gruas auto cargantes
12 1 1.54% gruas en espana
13 1 1.54% gruas rapidas
14 1 1.54% gruasvidal
15 1 1.54% gruasvidal.com
16 1 1.54% grúas
17 1 1.54% liebherr ltm 1070/42
18 1 1.54% transportes vidal

Los 15 primeros de un total de 187 programas de cliente
# Accesos Programa cliente
1 26612 53.57% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
2 4806 9.67% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET
3 3528 7.10% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1
4 1936 3.90% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoP
5 1525 3.07% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NE
6 1251 2.52% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2
7 1029 2.07% Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.9.0.1) G
8 919 1.85% Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.8.1.16)
9 878 1.77% Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/
10 589 1.19% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)
11 365 0.73% Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1
12 342 0.69% Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9a1) Gecko/20070
13 308 0.62% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.2
14 302 0.61% Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.1
15 301 0.61% Mozilla/5.0 Gecko/246 Firefox/2.0.0.3

Accesos por país en Agosto 2008

Los 30 primeros de un total de 31 países
# Accesos Archivos KBytes País
1 36570 73.61% 19942 63.28% 160285 60.56% Red
2 6184 12.45% 5214 16.55% 44191 16.70% No resuelve/desconocido
3 3714 7.48% 3524 11.18% 39472 14.91% Comercial
4 903 1.82% 762 2.42% 4833 1.83% España
5 478 0.96% 476 1.51% 3408 1.29% Mexico
6 288 0.58% 192 0.61% 1451 0.55% Argentina
7 156 0.31% 152 0.48% 689 0.26% Irlanda
8 143 0.29% 143 0.45% 1233 0.47% Alemania
9 138 0.28% 98 0.31% 869 0.33% Holanda
10 129 0.26% 129 0.41% 597 0.23% Italia
11 115 0.23% 115 0.36% 1343 0.51% Uruguay
12 109 0.22% 38 0.12% 185 0.07% Turquia
13 106 0.21% 105 0.33% 609 0.23% Chile
14 88 0.18% 87 0.28% 612 0.23% Grecia
15 87 0.18% 87 0.28% 515 0.19% Colombia
16 86 0.17% 77 0.24% 1092 0.41% Francia
17 73 0.15% 71 0.23% 449 0.17% Portugal
18 62 0.12% 62 0.20% 984 0.37% Peru
19 46 0.09% 46 0.15% 364 0.14% Austria
20 44 0.09% 44 0.14% 249 0.09% Republica Checa
21 40 0.08% 40 0.13% 218 0.08% Belgica
22 39 0.08% 39 0.12% 173 0.07% Polonia
23 38 0.08% 38 0.12% 215 0.08% Hungria
24 18 0.04% 12 0.04% 214 0.08% Federacion rusa
25 8 0.02% 8 0.03% 207 0.08% Taiwan
26 5 0.01% 3 0.01% 5 0.00% Seychelles
27 4 0.01% 2 0.01% 4 0.00% Canada
28 4 0.01% 4 0.01% 210 0.08% Moldavia
29 2 0.00% 2 0.01% 3 0.00% Organizaciones sin fines de lucro
30 1 0.00% 1 0.00% 1 0.00% Educacion USA