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