????20????????

????:??????????:??????

?????9???????????????1?? ?«????»9???????1?,?????????20?????,8??????????,?????

?????????,8?0.22%,????6.16%???,????????6.49%,?8?????????0.25%????????????????????,????????????8??????,?????0.79%,?????????????????0.63%,????????????0.45%?

?????,?,???8??????????????0.32%????????????????????????,????,8??0.18%??????????7????????,?????,????????????(???)

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