????:1?????VX:?????????

2????????????

3?????

4?????????

5?????????????

?:????6?????????????28???????????,15??????,??????????????????????135.3??????????,???5.9%;??????

??????????,???????15????????????????,????5.7%,?????,???????????9%,??????????????????????????,???????????15??,????????????11.4%,5??????????????????????12.6%,??????????4????3.7???????????????????5?????????????????????,???????????????????????,???30%?

?????,??,????????????4%,??????????????????,????????,??,????????????????

??,????????????,???????????15?,????,?3.5????????????????,?????????????????????????????,????????????????????,??? ???????:???????????