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