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

2???????

3???????

4????????

5????????30??

??2????????8???? (?????????????????? ????????????????)??8????,????????????1???,????,???????????13.6%????????17.6%?

???????????1??,??218????????????,???????173??????,?????????????????????????????????100?,??,????

?????173????????????? ??????

?,???,?1?????????????????:???????????????????????40%,?????????????16%,???????????????8.2%?

??????????????????????????“?????????”???????????????????????????,??????????“????????????????”???,?,?????????“??????????????”?

????1?????????,“??”????????20.9%,?????15.5%;????????,?14.2%?“??”(??????????)?????????54.4%?

?????????????????,????????20??

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

???:??????