???????????????31.9??? ????14.5%

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

??:??????????11??22????????????????,????10???,?????31.9????,?????????????14.5%???,???????7.9????,????48.0%;???4.9??,??20.3%?110???????????,???7181????,??8.3%;??4502?,???20.7%?

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