1993
1971
1971
1992
1976
1975
1988
1971
1997
1976
1981
2000
1985
1987
1978
1975
1995
1995
1987
1989
1986
1985
1989
1993
1990
2020
1972
1981
1972
1974
1998
1988
1991
1978
1999
1982
1996
1997
1997
1974
1996
1976
1974
2001
1973
2017
1973
1992
1978
2004
1994
1979
1990
1973
1988
1987
1997
1984
1997
1987
1993
1974
1984
1988
1975
1972
1998
1977
2001
2000
1992
1991
1980
1990
1990
1989
1990
1975
1997
1997
1982
1989
1989
1997
1978
1976
1975
1989
1977
1987
1988
1992
1996
1987
1976
1971
1974
1970
1973
1988
1973
1974
Comments