6????????70??? ?????????

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

????????????????????7????????????15???? (???????? ????????????)6????????????15??????????,6????,70???????????????????????,?????????????????

????,????????????????,6??,???????0.5%,????0.2???????????????????0.7%,????????????????????0.6%,?0.2???

?????????????????????,??????????,???????0.4%,?????????????????????0.8????,?????????,????????????????0.2%???????0.5%???0.9%,??0.1??????0.9%,?????????????????

???????????????????6??,??,??????????????????????????,??????????????????

???,6??????????????????,70????,??4?????????????,????????

??,???????????????????58??????????????????,???,????????????,??????????????????“??”????????,6????????????????,??????????????,????????(????) ????????:???????