When I was a student in Madison during the late 60's and early 70's the Badgers averaged about 50,000 fans per game with a losing team. In fact, from 1967 through 1969, the team won 3 games and tied one, losing the rest. Big games would fill Camp Randall. There wasn't a winning season until 1974.
Average Camp Randall attendance:
1951 46,151
1952 51,953
1953 51,652
1954 53,491
1955 53,491
1956 53,503
1957 47,683
1958 55,263
1959 53,317
1960 59,956
1961 47,143
1962 55,877
1963 61,223
1964 60,718
1965 56,428
1966 51,725
1967 52,495 (0 - 9 - 1 record)
1968 43,559 (0 - 10 record)
1969 48,898 (3 - 7 record)
1970 56,223
1971 68,131
1972 70,454
1973 60,400
1974 71,630
1975 73,962
1976 70,898
1977 72,682
1978 71,443
1979 73,979
1980 71,360
1981 71,640
1982 71,060
1983 69,787
1984 74,681
1985 71,613
1986 68,052
1987 59,256
1988 49,297
1989 41,734
1990 51,027
1991 49,676
1992 61,378
1993 75,507
1994 77,328
1995 78,222
1996 77,949
1997 77,880
1998 77,428
1999 78,081
2000 78,711
2001 78,333
2002 78,023
2003 78,486
2004 82,368
2005 82,551
2006 81,368
2007 81,747
2008 81,088
2009 80,109
2010 79,862