Knox College

Average grade awarded for academic year.

1942	2.46
1943	2.63
1944	2.56
1945	2.43
1946	2.48
1947	2.52
1948	2.48
1949	2.39
1950	2.42
1951	2.44
1952	2.46
1953	2.51
1954	2.51
1955	2.59
1956	2.53
1957	2.56
1958	2.56
1959	2.58
1960	2.57
1961	2.61
1962	2.55
1963	2.55
1964	2.58
1965	2.55
1966	2.60
1967	2.62
1968	2.65
1969	2.72
1970	2.79
1971	2.84
1972	2.85
1973	2.84
1974	2.85
1975	2.86
1976	2.85
1977	2.81
1978	2.82
1979	2.87
1980	2.87
1981	2.89
1982	2.88
1983	2.84
1984	2.87
1985	2.85
1986	2.83
1987	2.90
1988	2.87
1989	2.91
1990	3.03
1991	2.97
1992	2.93
1993	2.99
1994	3.03
1995	3.07
1996	3.00
1997	3.07
1998	3.09
1999	3.10
2000	3.16
2001	3.10
2002	3.08
2003	3.10
2004	3.13
2005	3.16
2006	3.15
2007	3.18

Source:

http://deptorg.knox.edu/registrar/encyclopedia/grades/historical.htm