1??????????????12.1%
???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??(??) ?????:???????