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

2?????

3?????v

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

5??????????

???2?????????????????8???? (???? ??????)?8???????,?????????????1?????,???,?13.6%???????????????????????17.6%?

??1????????????????,?????218????????,????????173???,??????????????????????????100???,??????????????????,????????

???????????173???????? ???

??,??????,??????????????????1??????:????40%,???????????16%,???????8.2%?

?“?????????”??????????????,?“????”???????????,????????????????,????????“?????”?

??????????????????????????1???????????????,“?????”???????????????????????20.9%,??15.5%;??,??????????14.2%?“??”(?????????????????)??54.4%?

???????????????????????????????????????,?20?????????

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

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