Year of reporting	Count
1995	1
1999	3
2000	2
2001	2
2002	4
2004	4
2005	2
2006	1
2007	3
2008	3
2009	4
2010	9
2011	2
2012	4
2013	3
2014	3
2016	3
2017	2
2018	2
2019	4
2020	1
2021	3
2022	2
.	1

Statistics by the author: Zimka Rudolf