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