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

2?????

3?????????800

4????????????

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

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

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

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

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

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

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