?? ?4???????????????16.8%
????:1?????????????:?????200??
2???????vx
3?????
4???????
5???????
??????6????7??? (???????? ???????)?????????????????????7?????,?4??24319.6??????????(?,??),?????16.8%,??2.1?????,??????11%;??????????????21.2%;????????????4625.8???????????
???,????????????????????,??4???????6600.3????,?48.6%,???????
????,??????????9637.2????,???????????6.4%???,??????????,???26.8%?16.7%;???????,??54.5%?15%?
????????????????,??????????????????????(????) ????:??????????