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??2???????????4????? (? ??????????)??4?????,?,???????????????????????????????????

?????????????310?????????????????,???????????????4.5????“????1??14???2?????3?,?6917????98.5????,??????21.1??????33.7%???,1??????????????????????25??,????????????????,?????5.3???”??

??,?????(1???28?2???3????),???2153????????29.6?,??????????,?????17.07%?18.69%,?5???????????????????????????

2???????2?????????,??“????????”?,2300?,?????,???5?4??????????

??,??????,?“????????????????????????????”???????????????????,????????“3?3????????????????”???“5?????????5????????”?

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