????:1?90??????:??????

2?????

3?????????

4???????

5???????

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

????????,???????,??????????,??????????????8????,?????,??????????????????????????????,?????????23%?17.1%?10.5%?10.3%,??????????,???????4.2%,???????????13???????????10???????????

????,18?????????????????????????,????64.2%,?????

??,???????,?????????????????,??????43.2%,?7???????????????????6.3?????????????

(?? ??? ?????????????) ????????:????????????