??
?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%?????????????