????:1?????:?????

2??????

3?????????????

4????????????

5?????????

??????12?19???????????? (??? ?????????????????????????????????????)???,?“????”???????19????100????????,??????????????5.4?????????,??????????????????????20?????????????????????3??,???

12???????19?,??????????“?”???(???)

12???????????18?????????????,??????“????”??23?,??,????“???”????,????

?????,?????,?????????????,??“???????????????????????????????????”???,???

?????????12???19??????,???????4.3??,??2.5%,????4.5?,?????????????

?,???12?????????????19???????,????8.5????,??????19.2%;?????403.8????,?22.6%,??(??)

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