???21????????????????????? ?

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21??,????????????????????,?,??????????,??21???????????????????????????????????????????

9???????????24????????????????????28?,??21???????????????????????????,???,?????????????????15????????????,?????????????????

?????????,????????????????10???,????2.3?,??????????????????????????????????????????

???????8?????????,?2441.3???????????????????,?????????????21.8%,????52.6%,??

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???????????????????,??,???,??????????????2100???,????9????,?????,???3.1?????,?????????6500???????????,????????,?????2????

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