University of Wisconsin - Madison

Average grade awarded, Fall semester

1938	2.44
1939	2.48
1940	2.51
1941	2.50
1942	2.46
1946	2.57
1947	2.61
1948	2.61
1949	2.62
1950	2.62
1951	2.60
1952	2.59
1953	2.59
1954	2.59
1955	2.57
1956	2.57
1957	2.55
1958	2.53
1959	2.51
1960	2.51
1961	2.52
1962	2.52
1963	2.53
1964	2.63
1965	2.54
1966	2.61
1967	2.65
1968	2.78
1969	2.80
1970	2.84
1971	2.84
1972	2.83
1973	2.88
1974	2.90
1975	2.89
1976	2.90
1977	2.90
1978	2.90
1979	2.90
1980	2.89
1981	2.88
1982	2.88
1983	2.88
1984	2.88
1985	2.88
1986	2.87
1987	2.89
1988	2.91
1989	2.94
1990	2.96
1991	2.98
1992	3.01
1993	3.03
1994	3.07
1995	3.08
1996	3.09
1997	3.10
1998	3.12
1999	3.12
2000	3.13
2001	3.15
2002	3.17
2003	3.17
2004	3.20
2005	3.19
2006	3.21
2007	3.20
2008	3.22
2009	3.22
2010	3.23
2011	3.22
2012	3.24
2013	3.24
2014	3.25

Source:

https://registrar.wisc.edu/course_grade_distributions.htm