??????? ??????????

????:?????95?98?:????????????

????????????(?????????):??,?????????????,?????????????????,?????

?????????,?????11??,????????5.8%?????11??,????80%??????60%????????????,??,????????????????8.7%??????????????29.3%?????????????????,???????????????21??????????30%???????

????????????,11???,??50.3%,????????????,????,???????????????????????,???

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