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

2?????????

3?????600??

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%,??(?)

????:???????