??????????????????67%

??????????2??5?????????????????? (???????????? ?????)?????5?,??????????????,????????????????

???,?????,???30??????????????2000???????????34????????????,?67%,?????????5?????

????,??,???????

????,????????????????????????????????????????????????????????????,?????????????????,????????????????????????????????,??1??????????????????????,????22????,????????????

???,??????,??????????????????80??????,????8???????????,??11?,??????125???(???????) ????????????:????