??????????????:????2311???

???2??????5???????? (?? ?????????????????)???2??5????????????,???????4?????????,??2311???????????????????????????????

????????????????????,?1995.6?,?5.2%????????351.8??????????????????????,????185.8??,??1???2???????????49.4???????

???,??,?????????????,???,??10.4?????????????????,???????8.9%?

?????APP???,???,20????30????????????????????????????26%,??????????????????????,????,????????????,???????????????????????????27.7???

?????,??,??????19.5????,????25.7??,???????????28.2%,????????????????????????8%?????????????11.8???????????,???,???IP???“?????????????????????????”?????????????????,??????????????????????????????????????????????????,?????????????????????

?,??????14???????????19??,22??????????????????????,???????????,???????“????”,?????????????????(??)