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

2??????????

3??????????

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

5????????

21??????????????,?????????????????????????????,?,???????????????????,?????21??????????????

9???24??????????28??,???21???????????????????????????????????,????????????,????????15?????,??????

??????????,?????????????10?,?2.3???,???????????????????????????????????????????

?????8??,??????????????2441.3????????????????????,????21.8%,?????????????52.6%,????

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?????????,?????????????,????????????????,???????????2100????????,????9???,??????????,??????????3.1?????????,??6500???????????,????,???????????????????2???

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