????: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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