????12??17????????????y?屨???????????????????????棬?μ???????????????????
???????????????????????????670????μ???600???????????????ù??“????”????????????????????????ù????????????
????????????????????“??????????л????????????????????????????????????????????????μ???ù??2014?????????2015?????2016??????????????????2015?????????μ???4%??????75%???????????????????????????25%????????????”
??????????495.39??????μ?18.41??????????3.58%????10????????????ù??50???????′?200?????????????????????μ?1.24%??