?????? ??????-凯发k8官网

     9?12?(??),?????????????????????????????????????,?????????

???????????10????0.56??,????92.27??,???0.6%?

????????????10????0.97??,????97.11??,???0.99%?

    12?,?????(dol)???????,??8???????????0.9%,?2013?11??????,????0.1%,???????0.3%?

    ????,?????????,?????????????????????????,?????????????2005?8???????
    ??,??????????????9??????,????????????????????????????????????????????????????,?????????????????????????,?????????????

    ??,???????????,????????????????,????,????????,??????????????????????????80??,???10??????100???

    12?,?????(doc)???????,??8?????????0.6%,??????????,????0.6%,???????0.3%?

    12?,???????(university of michigan)???????,??9??????????????????????,???2013?7??????,????????????????????9????????????????84.6,???83.3,8????82.5?

????????,10?????????0.5??,?????2.5188??;?????10?????1.56??,?????2.7405??;10??????????????3??,???????????3.8570???