??????
?????????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
?????:?????????????? ??
?????:?????????????? ??
??
????:
1???????????:???????????
2???92?
3????????????
4????????????
5???????
????
6
%
???:??