????:1???????:????wx

2?????????

3???????

4?????

5??????????

????2????????18? ????18???,1???,???3.69????,?12.1%?

???,???????????,?????????,??2.75???????,????74.6%,??10.6%???1446.17?,???17.6%,?971?????,????18.9%?

????,1??,?????????4.23?????,????2884.72??????????????,???????????3.27?,????2664.89???????????????????,?????0.77????0.48???,??????10.9%????????17.5%?

????????????,1??????,???????????439?????,??????????3.7%,?18.3???(?????) ??????????:??????????