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

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

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