When did the NBA 2K series first come out?
1999
1997
1997
1997
1997
1996
1997
1993
1996
1997
1993
1991
1996
1996-97
1997
1993
1991
1992
1996
1999
1997
1993
1991
1992
1996
1999
1997
1993
1991
1992
1996-97
1995
1996
1987
1999
1997
1993
1991
1990
1992
1995
1996
1998
1987
1999
1997
1993
1991
1990
1992
1996-97
1995
1996
1998
1987
1999
1997
1993
1997-98
1991
1990
1992
2005
1995
2001
1996
1998
1987
2002
1999
1997
1993
1991
1990
1992
2005
1996-97
1995
2001
1996
September 28, 1999
1998
1996-96
1987
2002
1999
1997
1993
1991
1990
1992
2005
1995
1997-98
2001
1996
1998
1987
2002
1999
1997
1993
1991
September 28, 1993
1990
1992
2005
1996-97
1995
2001
1996
September 28, 1999
1998
September 28, 2005
1987
2002
1999
1997
1993
1991
1990
1994
1992
2005
1995
1997-98
September 28, 1993
2001
1996
1998
September 17, 1999
1997-96
1996-96
September 28, 1997
1987
2002
1999
1997
1993
1991
1990
September 28, 2005
1994
1996-99
1992
2005
1995
2001
1996
September 28, 1999
1998
1987
2002
1999
1997
1993
1991
September 28, 1993
1990
1994
September 28, 1997
1989
1992
2005
September 28, 2006
1995
1997-98
2001
1996
1998
September 17, 1999
September 28, 2005
1996-96
2006
1987
2002
1999
1997
1993
1991
1990
1994
September 28, 1996
1989
1992
2005
1996-97
1995
September 28, 1993
2001
1996
September 28, 1999
1998
2006
September 28, 1997
1987
September 28, 2006
2002
1999
1997
1993