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