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

2??????20?????

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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