??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
???????
??????
??????
??????
??????
??????
??
????????2000?????????????? ???
????????2000?????????????? ???
??
????:
1???????100??:??????
2???????????
3?????????????
4???????
5???????
????
6
%
???:??