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

2?????

3????????????

4???????

5???100???????

????????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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