Year of reporting	Count
2004	2
2005	5
2006	8
2007	12
2008	2
2009	5
2010	3
2011	3
2012	2
2013	3
2014	4
2015	10
2016	10
2017	7
2018	6
2019	4
2020	2
2021	2
2022	3
2023	3

Statistics by the author: Elexa Ľuboš