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

2??????????????

3???????????

4?????

5???????

??????7???1?? (? ?)1??????15?30????,??,???????????????2??????4????????,???????????,????????,?????,??????18???????35??37??

??,??????????????????5?6?????,??????16.0?,?0.7?,??1.3?????223.7?,??????56.4%,???????????????????84.1%?

?7????,??????????????????????????????????????????18????????22?,?22???25????,????0.5???????1.0?,???????????????????????????????????(??0??????????0.5?)?

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