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

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