???????????????????2000?

????,???????????????????????????????????????????????(????)??,???????????,1??????20???????????????????????0????-2??????8??????????24??????,?????????2009.2????????????2541.4??????????????

????????

1??15?,?????????«???????????????????????(???????????????)?»,??????????????????????????,?????,?????,???????????????,?????????????????,???????????????????1????????????20??????????????????????28????,??????????

??????????????????????

????,??????6000???,??????????626.84??,?205.8?????????????,????????,???,?????????????74%??????65%,?????????30%??34%?

???,2000???2000-4000??4000-6000??????????10%?52%?108%?

?????????????

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

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