??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??????????????:????? ???????
??????????????:????? ???????
??
????:
1???????????:?????
2?95?98??????
3??????
4?????
5??????????
????
6
%
???:??