????:1??????????????:????200????

2??????v

3??????

4??????????

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

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

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

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

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

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

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