Year of reporting	Count
2006	1
2007	4
2008	2
2009	1
2010	6
2011	4
2012	3
2013	4
2014	2
2015	2
2016	1
2019	2
2020	2
2021	3
2022	1
2023	3

Statistics by the author: Kazimírová Gréta