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

2??????????

3??????????

4???95?????

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

???:???????????,?????????,??,????????????????,?????

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??,?????,?6???,???????????????,???????????????

??????????????,?????????6???,????????????552??,???????18.5%??????????????????????????????????,?????????????????(???????)?????????????????20%?????????30%?????

??????????????????????????,????????????,??????????????,????????????????????????????????30??????????????????????????,????

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

?????,???????????????,????????1????????????5??,???????????????????84???????????????????,(??)552.4??,?????????12.36%,???????????????

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