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

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

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

4?????Q

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