????:1????????:??95?

2?????????

3???????

4???sn??

5????????????

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

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

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

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

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

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