Year of reporting	Count
1997	2
1998	3
2000	1
2001	1
2002	2
2003	2
2004	5
2005	1
2006	2
2007	4
2008	1
2009	2
2010	8
2011	3
2012	3
2013	3
2015	1
2020	2
2023	2

Statistics by the author: Kožiak Rastislav