???:?????????????????

????:?????????:????vx

?????????????8???????22??????? ?22????,??????,???????????,??????????????????????,???????

????????,???????,??????????????,???????????,????,??,??????????????????????????:

???????????7?????????????????3.78???,??????????????2.7%,????????6????????0.7??????????????,?????????????2.7%,?????????????6??????1.2???????????????????????,????6????

????????????,????????????????????????????“?”??????????????17???????,????????????8.7%,????25.6%?7???,????36.9%,??51.1%???????10.7%?????12.7%?

?????????????,???????????????17??,??7.2%,????4.1????????????,??????????????7.1%,???????? ???:?????????