?? ??????????????????
????:1?????:92??95??98?
2?????v
3????????
4?????
5??????
???11????????????????????27???????????????????? (?? ????????)?27?,??????????,?????????,???
????????????????????????,?????????????????????(????????)??
?20?????????????????????????????????????????,???11???22?????????????????????,????????????70??,?6?????????????
??????????????????300???,??????8.6%??8.7%????????????,?????????????????,????????(??) ??????:???????????