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

2??????????

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

4?????????

5???????

?11??27?????????????????? (? ???????)?????????????????27????????????,?,???,??????????

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

?????????????????????20??????????????????????????????,??11?????22?????????????????????,????????????????????70?????????????????,???????????6?????????????????????

??300??,??8.6%???????????8.7%???,????????????????????,????(?) ?????????????:???????