Years

Year	File Count
1950	32
1951	31
1952	28
1953	32
1954	26
1955	30
1956	32
1957	31
1958	29
1959	33
1960	31
1961	30
1962	34
1963	31
1964	32
1965	33
1966	33
1967	33
1968	31
1969	30
1970	33
1971	26
1972	31
1973	29
1974	31
1975	30
1976	31
1977	31
1978	28
1979	62
1980	58
1981	63
1982	62
1983	61
1984	61
1985	62
1986	57
1987	65
1988	61
1989	58
1990	63
1991	62
1992	57
1993	62
1994	66
1995	62
1996	64
1997	57
1998	58
1999	60
2000	62
2001	58
2002	58
2003	64
2004	63
2005	56
2006	58
2007	61
2008	62
2009	61
2010	64
2011	56
2012	65
2013	62
2014	65
2015	30
2016	32
2017	31
2018	30
2019	34