“??”?:????“????”?“??”

????:????????:????????

?????

“??????”???????:???“??”???“???”

?? ?????

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

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