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

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

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

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

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