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

2???????

3???????????

4??????

5??????????

?????????????6???????????????????17?? ???????????????????????,?????????????????????????????????,??“??????”?

??,??,49%??????,?;8%??;31%?????????;23%??????????

??????????,36%????“???”,33%?,???????????????26%??????????????????

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