1976
1978
1978
1983
1980
1977
2000
1982
1993
1983
1991
2000
1985
1979
1985
1996
1996
1993
1986
1988
2001
2002
1999
1989
1977
1977
1989
1983
1993
1976
1983
1978
1981
1981
1978
1977
1979
1974
1980
1978
1980
1978
1976
1974
1992
1978
1987
1980
1982
1977
1979
1982
1984
1983
1981
1983
1979
1981
1975
1988
1980
1988
1976
1983
Comments