50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1,000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
Militia groups
Patriot groups
Militia groups
Patriot groups
Chart by Mother Jones
