????:1????????????:??????

2?????????

3?????

4?????????

5?????600???

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

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

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

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

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

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