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