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

2???????????

3?????????????

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

??6?????????????18???????????????(?????????????? ??)?????????????????????????A????18????(????)???,???????,????????????????????????????

???,??????A???4.53%????,???????????????????????????????????????20%???????????,???????????????10%?

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???,??,?3030????,?????0.48%;?9318??????????????,???????????0.4%;?????1811??????,??????0.29%?(????????) ?????????????????:??