?? ?????????????3??
????:1??????????:???????????
2???????????
3???????
4?????300????
5???????
??6??17?? (?? ??????????????)17??,?????????(?)???,?????,??“??????”???????????????,??????????3.31??,?2708???????????????,53%???????????
???,“?????????????”??????4.8??,??????????12.8??????,???1978?????????5.05%??13.84%???????????4?,??515????1000??????????????,???????????2004??????74.1%??2019??????62.3%??????10?,???????????9.2?????,??30?????????12.5??,?????
???,??1997???????«??»???????,??????«????»??????????,??,??“??”,“???????”?????????????,??,???,??????“???????”?(???????????) ???????????:??????????