Year of reporting	Count
1994	2
1995	1
1996	1
1997	2
1998	3
1999	9
2000	11
2001	11
2002	2
2003	3
2004	4
2005	7
2006	5
2007	8
2008	8
2009	10
2010	11
2011	3
2012	3
2013	5
2014	6
2015	2

Statistics by the author: Nagyová Iveta