???:??16.4%?????????????

????:51??:?????????

??????????????6???????????????13????????????????? ???,??????,????????????16.4%,???2012?????

??????,????????????,??????????5?2.3?????,?16.4%,???2012????????????

???????,????1.4?????,????57%?

??:??

????????,?????????,???????????????«??»???????,???70%???????????

???,???,??????,?????????????

???,?30%????“??????”,???????????????20%,????????“???????”?

6??7?????10????,????18??2000?????,???????????,?????62.1%?

????????????:????????????