????: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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