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

2??????????

3?????v?

4?????

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

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

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

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

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

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

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