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

2???????

3???????

4????????????????

5???????????

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

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

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

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