Year of reporting	Count
2005	2
2006	5
2007	2
2008	5
2009	3
2011	2
2012	2
2013	4
2014	6
2015	3
2016	6
2017	2
2018	2
2019	6
2020	2
2021	3
2023	1

Statistics by the author: Pajtinka Erik