????: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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