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

2?????????

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

4?????????????

5?????vx

15??????????????????????????:??5.9%

????(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??,?????????????????????,?????????????????

(?????? ????) ????????????:?????????