????:1??????V:??????????

2?????????

3?????????

4????????vx?????

5??????????????

??7???23???? (?????? ????????)?????????23?,?????,????????283???,???????34.7%?

?????????????????????????????????????,???????,?,??????471?,?60.2%,??283??,????34.7%,??????????5?????,?224??????????,?????????147??

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

?????????,?,??????68???????????,??????88.3%,?????????????45???,??66.1%,??????62.6%?

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