Year of reporting	Count
1996	1
1997	2
1998	6
1999	7
2000	6
2001	2
2004	2
2005	3
2006	4
2007	4
2008	5
2009	6
2010	7
2011	4
2012	5
2013	9
2014	7
2015	6
2016	11
2017	10
2018	9
2019	6
2020	12
2021	13
2022	7
2023	11

Statistics by the author: Vaňová Anna