????: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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????????21???,?,????????????????,?????

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

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