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

2??????????????

3???????

4???????

5??????100??

?????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??????????(?) ???????:?????