What year did Michael Jordan first retire from the NBA?
1993
1993
1993
1992
1993
1992
1993
1992
1990
1993
1991
1992
1990
1993
1996
1991
1992
1990
1993
1996
1991
1992
1990
1994
1993
1996
1991
1992
1990
1994
1993
1995
1996
1991
1992
1990
1994
1993
1995
1996
1991
1992
1990
1994
1993
1995
1996
1991
1992
1990
1989
1994
1993
1995
1996
1991
1992
1984
1990
1989
1994
1997
1993
1995
1996
1991
1992
1984
1988
1990
1989
1987
1994
1997
1993
1995
1996
1991
1983
1992
1986
1984
1988
1990
1989
1987
1994
1997
1993
1995
1996
1991
1983
1992
1986
1984
1988
1990
1989
1987
1994
1997
1993
1995
1996
1991
1983
1992
1986
1984
1988
1990
1989
1987
1994
1997
1993
1995
1996
1991
1982
1983
1992
1986
1984
1988
1990
1989
1987
1994
1997
1993
1995
1996
1991
1982
1983
1992
1986
1984
1988
1990
1980
1989
1987
1994
1998
1997
1993
1995
1996
1991
1982
1983
1992
1986
1981
1984
1988
1990
1980
1989
1987
1994
1998
1997
1993
1995
1985
1996
1991
1982
1983
1992
1986
1981
1984
1988
1990
1980
1989
1987
1994
1998
1997
1979
1995
1985
1996
1991
1982
1983
1992
1999
1986
1981
1984
1988
1990
1980
1989