1979
1997
1988
1977
1983
1978
1991
1979
1996
1973
1980
1992
1998
1969
1981
1991
1968
1988
1994
2001
1986
1978
1983
1968
1980
1993
1974
1992
1989
1980
1994
1986
1988
1970
1974
1977
1987
1991
1991
1987
1999
1985
1978
1990
1974
1982
Comments