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

2?????????

3????????

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

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

???????????????10??????????????14? (??????????????????? ?????)?????????????14???????????,??????4.62???,??5.1%?

????????????,????,????????????????????????????????????????8.6%?13.4%;??????????????14.4%?34.3%?????,????????????????

?????????,??????????????????????????????????????????????,????????????????????????,??????????,????????????????,???

??,??“??”????????????????,????(??????) ??????????????????????????:?????????????????