??�??????????�????

????:????QQ?:??????????

??????????????????2???????????????21??? ??????????????20????????????????,??

????,?�????????????????:????????????????????�,????????,??

??????????,?????????????????2011?????????????,?61.8????,11.3????????????????????8000??,????????33%????90%,????????

???,???????????,?????????????????????????????,?570???????????????????????????????,?????????????,???????????????????,??????????????,??????????????????40%??????50%????6????????????15??????????????????????,???????????????70%????????,?????????80%,???????????75%,???????????????????????,?????,?????????????????1400????????