| Year | Annual report |
|---|---|
| 2021 | – |
| 2020 | – |
| 2019 | Download |
| 2018 | Download |
| 2017 | Download |
| 2016 | Download |
| 2015 | Download |
| 2014 | Download |
| 2013 | Download |
| 2012 | Download |
| 2011 | Download |
| 2010 | Download |
| 2009 | Download |
| 2008 | Download |
| 2007 | Download |
| 2006 | Download |
| 2005 | Download |
| 2004 | Download |
| 2003 | Download |
| 2002 | Download |
| 2001 | Download |
| 2000 | Download |
| 1999 | Download |
| 1998 | Download |
| 1997 | Download |
| 1996 | Download |
| 1995 | Download |
| 1994 | Download |