Years

Year	File Count
1982	79
1983	46
1984	6372
1985	31752
1986	30018
1987	38751
1988	50297
1989	56744
1990	53403
1991	83989
1992	86108
1993	81521
1994	51559
1995	54914
1996	39496
1997	45667
1998	44795
1999	65534
2000	99284
2001	84328
2002	84803
2003	63968
2004	129294
2005	129122
2006	181794
2007	222554
2008	238135
2009	275410
2010	317614
2011	176936
2012	193605
2013	432138
2014	563407
2015	588909
2016	579106
2017	546107
2018	254346
2019	8288