Statistics by the author: Kulašik Peter
| Year of reporting | Count |
|---|---|
| 1981 | 1 |
| 1995 | 1 |
| 1997 | 2 |
| 1998 | 4 |
| 2000 | 4 |
| 2002 | 2 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 2 |
| 2009 | 3 |
| 2011 | 2 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 1 |
| Year of reporting | Count |
|---|---|
| 1981 | 1 |
| 1995 | 1 |
| 1997 | 2 |
| 1998 | 4 |
| 2000 | 4 |
| 2002 | 2 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 2 |
| 2009 | 3 |
| 2011 | 2 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 1 |