????: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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