1992
1994
1990
1990
1979
1979
1996
1989
1987
1999
1993
1987
1989
1987
1993
1988
1988
1991
1996
1979
1998
1988
2000
1999
1992
1985
1990
1999
1987
1985
1977
1988
1997
1977
1989
1996
1988
2000
1994
1985
1995
1996
1986
1988
1982
1980
1981
1981
1982
1984
1999
1986
1987
1979
1978
1995
1996
1984
1994
1998
1979
1978
1998
1990
1990
2002
1998
1997
1998
1990
1990
1999
1990
1979
1979
1977
1992
1987
1977
2000
1999
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