????:1?????vx:????????

2???24????

3???????

4???????

5??????

?????????????????????????????9?????????15.7%

????9???????30??????????? (????)?????????9??????????????????30????????????????(????“???”)????,??1-9????????,???????????2304???,??23.7????????????????????,?15.7%?15.3%?

9?18??????,???,????(???)??,?????????“???????????????”??,?(?)?????530????,??????????????????

?,?7??230????????,???????????,??????,?????????????????????????60????????????????????????

????6??15????,?????????30??????????????????,??2900???,?1.77???????17.27???,???????19?13???

???,?????????????????????????????????????????????????????????????????????????????????????????????,????????????????“??”?????????????????????????

??????????????,????,??????????????????“????”??????????????,????(?????????????) ??????????????????:??????