??????
??????
??????
??????
??????
??????
??????
????????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
???????????????????????
???????????????????????
??
????:
1????????????:??????
2?????95?????
3???95??????
4????????
5?100?4???????
????
6
%
???:??