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