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

2????????

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

4???????

5??????

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

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

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

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