?????????????????

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

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

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

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

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

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