1975
1986
1989
1978
1977
1975
1974
1978
1974
1976
1980
1976
1982
1982
1977
1982
1975
1998
1990
1980
1979
1983
1970
1979
1983
1992
1976
1979
2009
1980
1974
1975
1974
1977
1974
1979
1975
1987
1993
1994
1992
2001
1992
1979
1994
1982
1983
1983
1986
1992
1994
1985
1985
1974
1974
1982
1974
1976
1983
1979
1978
1983
1981
1975
1976
1975
1988
1981
1994
1976
1973
1986
1987
1974
1976
1994
Comments