Year of reporting	Count
2004	1
2005	5
2006	3
2007	6
2008	4
2009	16
2010	12
2011	14
2012	10
2013	5
2014	6
2015	2
2016	4
2017	7
2018	2
2019	4
2020	6
2021	10
2022	2

Statistics by the author: Štrangfeldová Jana