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