????:1?????????:?????????????

2??????

3??????????

4???????????

5??????

??11????????????22???????????? ??,11??22??,????1~10?????????????????

???????10??,????31.9??,????14.5%????,??????????7.9???????????,??48.0%;??4.9??,???????20.3%?

1~10???,???????2880???,?128????;????7181????????????,?8.3%;??4502????????,???20.7%?

???:??