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