????:1????????:??????

2?????????

3??????

4???????

5???????

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