Years

Year	File Count
1950	6
1951	6
1952	6
1953	6
1954	6
1955	6
1956	6
1957	6
1958	6
1959	6
1960	6
1961	6
1962	6
1963	6
1964	6
1965	6
1966	6
1967	6
1968	6
1969	6
1970	6
1971	6
1972	6
1973	6
1974	6
1975	6
1976	6
1977	6
1978	6
1979	6
1980	18
1981	18
1982	18
1983	18
1984	18
1985	18
1986	18
1987	18
1988	18
1989	18
1990	18
1991	18
1992	18
1993	18
1994	18
1995	18
1996	18
1997	18
1998	18
1999	18
2000	18
2001	18
2002	18
2003	18
2004	18
2005	18
2006	18
2007	18
2008	18
2009	18
2010	18
2011	18
2012	18
2013	18
2014	18
2015	18
2016	18
2017	18
2018	18
2019	18
2020	18
2021	18
2022	18
2023	18