Year of reporting	Count
1994	4
1995	1
1996	3
1997	2
1998	3
1999	1
2000	2
2002	1
2004	2
2005	1
2006	2
2007	5
2008	3
2009	5
2010	6
2011	3
2012	2
2013	5
2014	2
2015	4
2016	1
2017	2
2019	1

Statistics by the author: Prokešová Roberta