?? ????31.9??? ???????????????14.5%
????:1??????????:?????????
2???????????
3?????92?95?????
4????????
5?????98????
????:??11??22??????????,?????10??,????31.9???????,???14.5%???,????????????????7.9?????????????,???????????48.0%;????4.9???,????????20.3%?110??,????7181??,???8.3%;?????4502????,?20.7%?
????:???