????:1???????:??????

2?????

3????????

4?????vx

5?????

?????????:???????????????9???14???????,8????????????,????,??,??????

??????????,8??,???????????4.5%?????“??????????”????????,?????6.4%?????????8.6%,??,??????????????????????54%?65.1%???????????12.6%,???????????????????????

??,8?????????,??38726?,?????????2.1%?

???????????,18??,?,????????????????7.7%,????????????????????10.2%,??????????? ?????:??????