[['year', 'network', 'lap - by - lap', 'color commentator (s)', 'pit reporters', 'host', 'ratings', 'viewers'], ['1979', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett brock yates', 'ken squier', '10.5 / 29', '15.1 million'], ['1980', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett brock yates', 'ken squier', '8.0 / 21', '10.8 million'], ['1981', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett brock yates', 'ken squier', '8.4 / 26', '11.2 million'], ['1982', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett larry nuber', 'brock yates', '9.4 / 27', '11.8 million'], ['1983', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett larry nuber', 'ken squier', '8.7 / 26', '11.0 million'], ['1984', 'cbs', 'ken squier', 'david hobbs', 'ned jarrett chris economaki mike joy', 'chris economaki', '8.7 / 23', '12.3 million'], ['1985', 'cbs', 'ken squier', 'david hobbs ned jarrett', 'chris economaki mike joy', 'chris economaki', '8.3 / 23', '9.8 million'], ['1986', 'cbs', 'ken squier', 'david hobbs ned jarrett', 'chris economaki mike joy', 'chris economaki', '8.4 / 22', '10.3 million'], ['1987', 'cbs', 'ken squier', 'david hobbs ned jarrett', 'chris economaki mike joy dave despain', 'chris economaki', '9.4 / 26', '12.4 million'], ['1988', 'cbs', 'ken squier', 'ned jarrett chris economaki', 'mike joy dave despain david hobbs', 'chris economaki', '7.4 / 18', '10.0 million'], ['1989', 'cbs', 'ken squier', 'ned jarrett chris economaki', 'mike joy dave despain david hobbs', 'chris economaki', '8.1 / 21', '12.0 million'], ['1990', 'cbs', 'ken squier', 'ned jarrett chris economaki', 'mike joy dave despain david hobbs', 'chris economaki', '7.3 / 20', '10.5 million'], ['1991', 'cbs', 'ken squier', 'ned jarrett david hobbs', 'mike joy dave despain chris economaki', 'chris economaki', '7.6 / 20', '10.9 million'], ['1992', 'cbs', 'ken squier', 'ned jarrett neil bonnett', 'mike joy david hobbs chris economaki', 'chris economaki', '9.2 / 25', '13.4 million'], ['1993', 'cbs', 'ken squier', 'ned jarrett neil bonnett', 'mike joy david hobbs chris economaki', 'chris economaki', '8.4 / 23', '12.7 million'], ['1994', 'cbs', 'ken squier', 'ned jarrett chris economaki', 'mike joy david hobbs dick berggren', 'chris economaki', '9.6 / 26', '13.6 million'], ['1995', 'cbs', 'ken squier', 'ned jarrett richard petty', 'mike joy david hobbs dick berggren', 'ken squier', '7.8 / 20', '11.4 million'], ['1996', 'cbs', 'ken squier', 'ned jarrett buddy baker', 'mike joy david hobbs dick berggren', 'ken squier', '9.2 / 24', '13.9 million'], ['1997', 'cbs', 'ken squier', 'ned jarrett buddy baker', 'mike joy dick berggren ralph sheheen', 'ken squier', '8.6 / 23', '12.8 million'], ['1998', 'cbs', 'mike joy', 'ned jarrett buddy baker', 'dick berggren ralph sheheen bill stephens', 'ken squier', '8.6 / 23', '13.0 million'], ['1999', 'cbs', 'mike joy', 'ned jarrett buddy baker', 'dick berggren ralph sheheen bill stephens', 'greg gumbel ken squier', '9.6 / 25', '12.9 million']]
David Hobbs stopped providing Color commentary after 1987
[ENT] stopped providing [ENT] commentary after [ENT]