??:6?1?????????8?20?????77.12%

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8?23?????,??????????????,??,?,??????????????,??????????6????????????1??8?????20????,?471?,?????????451????????????????????;?,6?1??????8?20?145.68??????????????????,??17985??,??7.31%;8????20?18965?????????????????,??????????,8?10??19449?????

?,????,6????1?8???????????????20??????????77.12%,??1.57??

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