????: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%,?????,???????????????????(????????????????) ??????:??????????