| Independence Day | ||||
| YEAR | MAX | MIN | MEAN | PCPN |
| 2012 | 96 | 72 | 84 | 0 |
| 2011 | 84 | 65 | 74.5 | 0 |
| 2010 | 89 | 64 | 76.5 | 0 |
| 2009 | 72 | 56 | 64 | 0 |
| 2008 | 72 | 54 | 63 | 0 |
| 2007 | 82 | 65 | 73.5 | T |
| 2006 | 79 | 67 | 73 | 0.49 |
| 2005 | 91 | 71 | 81 | 0 |
| 2004 | 85 | 72 | 78.5 | 0.05 |
| 2003 | 92 | 73 | 82.5 | 0.21 |
| 2002 | 93 | 73 | 83 | 0 |
| 2001 | 79 | 63 | 71 | 0.05 |
| 2000 | 76 | 63 | 69.5 | 0 |
| 1999 | 95 | 77 | 86 | 0 |
| 1998 | 75 | 68 | 71.5 | 0.01 |
| 1997 | 68 | 58 | 63 | T |
| 1996 | 73 | 54 | 63.5 | 0 |
| 1995 | 86 | 63 | 74.5 | 0 |
| 1994 | 88 | 61 | 74.5 | 0 |
| 1993 | 90 | 68 | 79 | 0.44 |
| 1992 | 80 | 58 | 69 | T |
| 1991 | 88 | 69 | 78.5 | 0.08 |
| 1990 | 98 | 69 | 83.5 | 0 |
| 1989 | 75 | 68 | 71.5 | 1.16 |
| 1988 | 89 | 59 | 74 | 0 |
| 1987 | 74 | 62 | 68 | 0 |
| 1986 | 80 | 51 | 65.5 | 0 |
| 1985 | 84 | 53 | 68.5 | 0 |
| 1984 | 81 | 65 | 73 | 0.98 |
| 1983 | 89 | 68 | 78.5 | 0.48 |
| 1982 | 79 | 60 | 69.5 | 0 |
| 1981 | 83 | 64 | 73.5 | 0.26 |
| 1980 | 85 | 56 | 70.5 | T |
| 1979 | 72 | 56 | 64 | 0.27 |
| 1978 | 69 | 59 | 64 | T |
| 1977 | 85 | 65 | 75 | 0.37 |
| 1976 | 76 | 57 | 66.5 | 0 |
| 1975 | 80 | 62 | 71 | 0 |
| 1974 | 94 | 69 | 81.5 | 0.32 |
| 1973 | 83 | 64 | 73.5 | 0.36 |
| 1972 | 69 | 51 | 60 | 0 |
| 1971 | 87 | 58 | 72.5 | 0 |
| 1970 | 75 | 60 | 67.5 | 0.02 |
| 1969 | 83 | 66 | 74.5 | 1.58 |
| 1968 | 74 | 41 | 57.5 | 0 |
| 1967 | 66 | 53 | 59.5 | 0.25 |
| 1966 | 82 | 68 | 75 | 0.02 |
| 1965 | 80 | 58 | 69 | 0 |
| 1964 | 71 | 58 | 64.5 | 0 |
| 1963 | 75 | 44 | 59.5 | 0 |
| 1962 | 78 | 59 | 68.5 | 0 |
| 1961 | 66 | 52 | 59 | 0 |
| 1960 | 68 | 48 | 58 | 0 |
| 1959 | 86 | 65 | 75.5 | 0 |
| 1958 | 90 | 70 | 80 | T |
| 1957 | 83 | 71 | 77 | 0.05 |
| 1956 | 71 | 67 | 69 | 0.08 |
| 1955 | 96 | 68 | 82 | 0 |
| 1954 | 83 | 64 | 73.5 | 0 |
| 1953 | 85 | 50 | 67.5 | 0 |
| 1952 | 84 | 66 | 75 | 0.02 |
| 1951 | 80 | 64 | 72 | 0.73 |
| 1950 | 82 | 66 | 74 | 0.64 |
| 1949 | 98 | 72 | 85 | 0 |
| 1948 | 94 | 67 | 80.5 | 0 |
| 1947 | 85 | 59 | 72 | 0 |
| 1946 | 83 | 54 | 68.5 | 0 |
| 1945 | 84 | 56 | 70 | 0 |
| 1944 | 88 | 60 | 74 | 0 |
| 1943 | 82 | 71 | 76.5 | 1.89 |
| 1942 | 74 | 62 | 68 | 0.19 |
| 1941 | 74 | 64 | 69 | 0 |
| 1940 | 74 | 59 | 66.5 | 0 |
| 1939 | 85 | 66 | 75.5 | 0.35 |
| 1938 | 72 | 60 | 66 | 0 |
| 1937 | 86 | 64 | 75 | 0.72 |
| 1936 | 71 | 64 | 67.5 | 0.32 |
| 1935 | 85 | 69 | 77 | 0.05 |
| 1934 | 77 | 67 | 72 | 0 |
| 1933 | 70 | 60 | 65 | 0 |
| 1932 | 68 | 60 | 64 | 0.06 |
| 1931 | 80 | 68 | 74 | 0 |
| 1930 | 70 | 56 | 63 | 0 |
| 1929 | 81 | 65 | 73 | 0.51 |
| 1928 | 84 | 74 | 79 | 0 |
| 1927 | 66 | 56 | 61 | 0 |
| 1926 | 73 | 66 | 69.5 | T |
| 1925 | 79 | 72 | 75.5 | T |
| 1924 | 67 | 58 | 62.5 | 0.01 |
| 1923 | 77 | 62 | 69.5 | 0 |
| 1922 | 62 | 59 | 60.5 | 0 |
| 1921 | 87 | 73 | 80 | 0 |
| 1920 | 67 | 60 | 63.5 | 0 |
| 1919 | 91 | 74 | 82.5 | 0 |
| 1918 | 83 | 63 | 73 | 0 |
| 1917 | 68 | 53 | 60.5 | 0 |
| 1916 | 75 | 63 | 69 | 0 |
| 1915 | 79 | 57 | 68 | 0.38 |
| 1914 | 72 | 57 | 64.5 | 0 |
| 1913 | 90 | 70 | 80 | 2.59 |
| 1912 | 81 | 69 | 75 | 0 |
| 1911 | 92 | 76 | 84 | 0 |
| 1910 | 67 | 62 | 64.5 | 0 |
| 1909 | 65 | 57 | 61 | 0 |
| 1908 | 82 | 68 | 75 | 0.34 |
| 1907 | 70 | 52 | 61 | 0 |
| 1906 | 73 | 63 | 68 | 0.02 |
| 1905 | 85 | 69 | 77 | 0.24 |
| 1904 | 85 | 62 | 73.5 | 0.03 |
| 1903 | 87 | 70 | 78.5 | 0.04 |
| 1902 | 88 | 69 | 78.5 | 0.02 |
| 1901 | 88 | 69 | 78.5 | T |
| 1900 | 90 | 74 | 82 | 0 |