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

2???????

3?????????

4????????

5?????????

??????????????????6??????????????17?? (??????? ?)5?,?????????????????

??????????????17???????,5????,???????70????,???

???????????,????????????????????,5??,??0.7%,????????0.1????????????????????????????????????????0.7%????0.8%,??0.2???????

????????,?????1.2%,??????????????????0.1??????1.0%,????0.1????????????????????????0.9%,?????

????????????,5?,????“??????????”????????,?????????????70??,???????;???????????????????????????????????,???????,??????????????????????

58??,????????????,6??(??) ????????:????