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