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

2???????????

3????????????

4??????????

5?????vx

?:??6????????28?????15????????????,????,???????????????????

15????,?135.3?,????5.9%?????????,??????????????????????????????????????

????????????,15????????,??????????5.7%,???,????????6.1%,?????

???,15???,????????????5.9%,?????14?????????????0.9??????????,????;?????????????????????????????

????,???15?????????????,??11.4%,????14????0.4????????????5???,??????????????????????????????????????,???,5????????????????12.6%,???????????????4???????3.7????????????????????

???????????,??15?????????????????,???????????????????,5?????????????,???

?????:????????????????