?? ???“??????????”??6000??
????:1??????????80:????????
2??????????????
3?????????
4????????
5???????????
?????????????????11????25??? (?? ?????????)?“?”??????????????,?????????????????????????25?????,46????,????“?”?????????????6000??,??58%?
??????????????????,??“?????”???120??,??????????811.32????????,??????????????????????????????110??????,???????
??“?”??,?,?“?”????202??????????,??????????????????,?????11??????????????“?????”??????
???????,????????????????????????????????????????????
1978??,“??”????????????????????“??????????”??,??????28.4%?????“??”?????9????????68?????????????46??,??????“?????????????”???190???
46???,???????“???????????”???????????????????????????????????????,??“???”“???”“???”?????????????????????,????????????????,???(??) ???????:?????