????:1???????:??????

2???????

3??????

4??????

5??????????

??????????:??6??????????28??,15?????,????135.3?,?????5.9%;???????????

??????????????????,??????????????????????????????????15??????????,??????????5.7%,??,????9%,?????????????????????????????????????????????????????????????,???????????????????15??,??????11.4%,5?12.6%,??????????4??????????3.7?????????????????????????5??????,?????????????????????????,????????????30%?

??,????????????,????4%,????,?????????????,????????????,?????????????????

???,??????????,???????15????,?,???????????????3.5??,??????,???????????????????????????,?????? ?????????:???