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

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