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

2?????600

3????????

4?????v

5???150???????

??10??1?????? (?????????????????????? ?????????????)????????30????,??????,??2304?,????23.7?????????,?????15.7%?15.3%?

?????????????,?????????????????15.7%???????????? ??

??????????,???7????230????;???????????????(???)????530??,????????????????????????

??,?????60???????????????????????????????????????????,???????????

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

????:?????????????