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?2?????????????????21???????????????????????????? (?????? ??????)??????21???????,???????1??????1?????2??15???,?43732?,??27995??????56%?

????,??,??????0.38%,??????????????0.42%???

????????????,????????(9113????????????)?????????(7551??????????????????)???????(7362?)???????,???????10???14????????5??????9??

???,?????????????2??15??????????

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