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

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

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

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

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

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

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

????,?????????????????????????????????,????????????????,?????????????????????

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

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