????: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%?(?) ??????????????:?????????????