????:1???600??:??????

2????????????

3???????

4??????

5?????

????2???4?? (???????????????????????? ????)??????????????4???,???12???,???(1????????????28?2???????4???????????????????????),?????????????????60???????????,?????????5.1?,??23.7%?66.3%,??????

??????,?,????

???????,???,??,?????????36??????????16.2?,????????????????????????????59.4%????27.1%,??????10%?????55.3%?

????,?,??,??????,???10??????,????10.1?10.2???,???????????23.9%???30.9%?

?,?????????????????????????????“???”???????,?????????????????,?????(???) ??????:??????????