Statistics by the author: Martiško Bohuslav
| Year of reporting | Count |
|---|---|
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 5 |
| 2002 | 5 |
| 2003 | 8 |
| 2004 | 8 |
| 2005 | 10 |
| 2006 | 1 |
| 2007 | 10 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 4 |
| 2013 | 2 |
| 2015 | 1 |
| Year of reporting | Count |
|---|---|
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 5 |
| 2002 | 5 |
| 2003 | 8 |
| 2004 | 8 |
| 2005 | 10 |
| 2006 | 1 |
| 2007 | 10 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 4 |
| 2013 | 2 |
| 2015 | 1 |