?? ???31.9??????????????? ????14.5%
????:1??????V:??????
2????????
3?????????
4????????????
5??????150??
???:?????11??22??????????,????10?????,??31.9????,??14.5%????,?????????????7.9??,????????48.0%;?4.9???,????????????????20.3%?110????,????7181???????,??8.3%;???4502??,???????????20.7%?
???:?????