????:1?51?????:???????

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