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2??????95?98??
3???????
4????????????
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?????????,????????????
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