Statistics by the author: Andráš Peter
| Year of reporting | Count |
|---|---|
| 1987 | 1 |
| 1994 | 2 |
| 1999 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 21 |
| 2007 | 17 |
| 2008 | 30 |
| 2009 | 17 |
| 2010 | 33 |
| 2011 | 13 |
| 2012 | 13 |
| 2013 | 21 |
| 2014 | 45 |
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 11 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 1 |