??????????16???

????:????????????:??????vx????

????????????,9??????????14???,?????,?????????16???,?????????4.6???,????2012?????????64.2%?392.2%,???????????????,????????????????????????????????????????????????????

2012????,????9.65?,?5.4??,????????????????78.5%,????6.6???,?????????????3.8???,??

??,???99%????????????????20????,??96%?????50????????,???????1??????,??????????????????,??????????????350??

(??????? ???) ?????????????:???????????????????