?? ???????????????????5.1%
????:1?????????:????ktv????
2???????????????
3??????????
4????????????
5??????
????????????????10??????????????14????????????????????????? (?? ??)????????????????14?????,???????????????????4.62???,???????????????????5.1%?
?????????,????????????????????,???????????????????????8.6%?13.4%;????????????????14.4%?34.3%???????????,??????????????????????
??????,???????????????,?????????????????????????,???????????????????????????,??????,??
???????????????,??????“??”???????????????????????,??(??) ???:???????