1982
1980
1977
1978
1983
1981
1975
1974
1978
1981
1996
1981
1983
1981
1981
1982
1974
1982
1975
1980
1980
1977
1971
1972
1975
1979
1972
1978
1975
1971
1974
1972
1971
1980
1978
1973
1976
1973
1977
1978
1973
1975
1976
1980
Comments