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

2???spa??

3???????vx

4???????

5?????????

???(13????)??,???,???,??????????????????????????????????????????????2???????

?????????????????????,???2.02??,????????36.6%,??????????????,??6216??,??12965?????????????,????????????????946??????????????????

???,???????56.5%,????????,????

????,????,???????????50%;???????,“??”???????,??????????????47%?(???) ???:????????????