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