| 1946 | Jun 29 - Sep 1 |
| 1947 | Jun 28 - Aug 31 |
| 1948 | Jul 3 - Sep 5 |
| 1949 | Jul 2 - Sep 4 |
| 1950 | Jul 1 - Sep 3 |
| 1951 | Jun 30 - Sep 2 |
| 1952 | Jun 28 - Aug 31 |
| 1953 | Jun 28 - Aug 31 |
| 1954 | Jul 4 - Sep 6 |
| 1955 | Jul 3 - Sep 5 |
| 1956 | Jun 30 - Sep 2 |
| 1957 | Jun 29 - Sep 1 |
| 1958 | Jun 28 - Aug 31 |
| 1959 | Jul 4 - Sep 6 |
| 1960 | Jul 2 - Sep 4 |
| 1961 | Jul 2 - Sep 3 |
| 1962 | Jun 30 - Sep 2 |
| 1963 | Jun 29 - Sep 1 |
| 1964 | Jul 4 - Sep 6 |
| 1965 | Jul 3 - Sep 5 |
| 1966 | Jul 2 - Sep 4 |
| 1967 | Jul 1 - Sep 3 |
| 1968 | Jun 29 - Sep 1 |
| 1969 | Jun 28 - Aug 31 |
| 1970 | Jul 4 - Sep 6 |
| 1971 | Jul 3 - Sep 5 |
| 1972 | Jul 1 - Sep 3 |
| 1973 | Jun 30 - Sep 2 |
| 1974 | Jun 29 - Sep 1 |
| 1975 | - |
| 1976 | - |
| 1977 | - |
| 1978 | - |
| 1979 | - |
| 1980 | - |
| 1981 | - |
| 1982 | - |
| 1983 | - |
| 1984 | - |
| 1985 | Jun 29 - Sep 1 |
| 1986 | Jun 28 - Aug 31 |
| 1987 | Jul 4 - Sep 6 |
| 1988 | Jul 2 - Sep 4 |
| 1989 | Jul 1 - Sep 3 |
| 1990 | Jun 30 - Sep 2 |
| 1991 | Jun 29 - Sep 1 |
| 1992 | Jul 4 - Sep 6 |
| 1993 | Jul 3 - Sep 5 |
| 1994 | Jul 2 - Sep 4 |
| 1995 | Jul 1 - Sep 3 |
| 1996 | Jun 29 - Sep 1 |
| 1997 | Jun 28 - Aug 31 |
| 1998 | Jul 4 - Sep 6 |
| 1999 | Jul 3 - Sep 5 |
| 2000 | Jul 1 - Sep 3 |
| 2001 | Jun 30 - Sep 2 |
| 2002 | Jun 29 - Sep 1 |
| 2003 | Jun 28 - Aug 31 |
| 2004 | Jul 3 - Sep 5 |
| 2005 | Jul 2 - Sep 4 |
| 2006 | Jul 1 - Sep 2 |
| 2007 | Jun 30 - Sep 1 |
| 2008 | Jun 28 - Aug 30 |
| 2009 | Jul 4 - Sep 5 |
| 2010 | Jul 3 - Sep 4 |
| 2011 | Jul 2 - Sep 3 |
| 2012 | Jun 30 - Sep 1 |
| 2013 | Jun 29 - Aug 31 |
| 2014 | Jun 28 - Aug 30 |
| 2015 | Jul 4 - Sep 5 |
| 2016 | Jul 2 - Sep 3 |
| 2017 | Jul 1 - Sep 3 + Oct 27 |
| 2018 | Jun 30 - Sep 2 |
| 2019 | Jun 29 - Sep 1 |
| 2020 | Jun 12 + Jul 4 - Sep 6 |
| 2021 | Jul 3 - Sep 5 |
| 2022 | Jul 2 - Sep 4 |
| 2023 | Jul 1 - Sep 3 |
| 2024 | Jun 29 - Sep 1 |
| 2025 | Jun 28 - Aug 31 |
| 2026 | Jul 4 - Sep 6 |
| 2027 | Jul 3 - Sep 5 |
| 2028 | Jul 1 - Sep 3 |
| 2029 | Jun 30 - Sep 2 |
| 2030 | Jun 29 - Sep 1 |
| 2031 | Jun 28 |
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