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

2???????100?

3?????????

4??????????

5?300??????????

??????????

“????????”??:??“???????”??????“??????”

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

“??????????????,‘?????????’???4.8????,????????????????12.8????,????1978??5.05%????????????13.84%,????????????2004?????85%?70%???,?????????‘????????????’????????‘??????????’???”??,??????

??6???????????????????17?????30???,???????????«??????????????»????????????????????????30???????????????????????????????“?????????‘?????????????????’?? ??”?

????????????,????????257???,???????26.8%;??????????169???????,????17.6%?“????????,??‘??????????????’?”?????

??????????????????,??“????”??,??????????,“?”??,??“??????”??;????????????????“????????”??,???60????,?????????????????????,??,????,?????

??,??????“???,????????????????‘??????????’????????????,???????????????????????????????????????‘??’?????????????????????????????,??????”????????

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

?????????????,???,?????15????????,?????????????????????,??????,????,??“?????”?????????????

“??‘????’??,??,?????????????????????????,???????????????????????????????;????????????????,??????????????????,?;??????????”?????????(???????????????????) ???????:????