Years

Year	File Count
1950	10
1951	10
1952	10
1953	10
1954	10
1955	10
1956	10
1957	10
1958	10
1959	10
1960	10
1961	10
1962	10
1963	10
1964	10
1965	10
1966	10
1967	10
1968	10
1969	10
1970	10
1971	10
1972	10
1973	10
1974	10
1975	10
1976	10
1977	10
1978	10
1979	10
1980	30
1981	30
1982	30
1983	30
1984	30
1985	30
1986	30
1987	30
1988	30
1989	30
1990	30
1991	30
1992	30
1993	30
1994	30
1995	30
1996	30
1997	30
1998	30
1999	30
2000	30
2001	30
2002	30
2003	30
2004	30
2005	30
2006	30
2007	30
2008	30
2009	30
2010	30
2011	30
2012	30
2013	30
2014	30
2015	30
2016	30
2017	30
2018	30
2019	30
2020	30
2021	30
2022	30