Statistics by the author: Alberty Július
| Year of reporting | Count |
|---|---|
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 6 |
| 1999 | 7 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 3 |
| 2004 | 2 |
| 2006 | 3 |
| 2008 | 1 |
| 2009 | 10 |
| 2010 | 4 |
| 2011 | 2 |
| Year of reporting | Count |
|---|---|
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 6 |
| 1999 | 7 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 3 |
| 2004 | 2 |
| 2006 | 3 |
| 2008 | 1 |
| 2009 | 10 |
| 2010 | 4 |
| 2011 | 2 |