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

2???????

3?????????????

4??????

5???????

???2?????????17???? ??????????(????????????????“????????????”)17????,??????????????????37.7%?????????????,?????????2???????

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

??????????,?35????????????????,?5??????????????,??????????????,??,?,????

????????,????????????????,??????(54.3%)??????????????????????,?????2????????????????,???????????????????3.5?????????

??????,?,??????,??????????????????(46.6%)?????????

????????????“???????????????”?????????,?,????????????12??17??????12.5%??????????18.4%,??????????????????????,????(???????????) ????????????:???