????: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????,??????????????????????????????????,??????????????????????,??????? ??:???????????