?????????8????????????????????????380????????27????У???????÷?????????????????????????????31?????????????17???????3?????????????
??????????????8?·????????????????6724??????2016??7?????????7.1%?????????????????12.66???????7????????2.99%??
????????????У????????????δ?1117.66???????7??????????????????????9.79%?????н?????????????????
2016??8?£????????????????????????????????????????????????λ?????????????????3.52?????2.58?????2.29?????