Statistics by the author: Höhn Eva
| Year of reporting | Count |
|---|---|
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 6 |
| 1999 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2007 | 4 |
| 2009 | 3 |
| 2010 | 6 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 7 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| Year of reporting | Count |
|---|---|
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 6 |
| 1999 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2007 | 4 |
| 2009 | 3 |
| 2010 | 6 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 7 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |