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