?? ????????????????
????:1??????200????:????????
2???????????
3??????????????
4?????
5????????
????????????(???):????,??????????????,????????????7.7???????????????,?????????????????????5.4%?????????,?????6.7%,????7400?????????“???????????????”????,??4%?
????????,???????????????,?????????51.9%,????,???????????????
????,???????,????????????,??????????????,????????70%????????????????????????????? ??????:???