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

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

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

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

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

??

??:???????????,??????????,??????????????