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

2??????????

3?????

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

5????????

????(??????):??,?,???,???

??,?????????11?,?????????5.8%????????11???????????????????????,??80%???60%???????????,????????????????,????????????????????8.7%????????????29.3%?????????????,?????????????????21??30%??????????

?????????,11??,????????????50.3%,???????????????,?????????????,????????????,??????????????

???????????:????