?? ?????????????????????15.7%
????:1?????:????
2?????????
3????????????
4???????????
5??????
??10?1??????? (??? ???)??????????30??,??,??????2304??????,?????????23.7????????????,????15.7%?15.3%?
??,?15.7%???? ???????????????,????7?230??;????(????????????????)??????530???,??????????????????????????????????????????????
????????,???????????????????????????????60????????????????????????????????????????????????????,????????????
??,????????,?????(?????)
???????????:?????