| År | Arter/grupper | Lokaliteter | Deltakere | Observasjoner |
|---|---|---|---|---|
| 2019 | 9 | 1271 | 1238 | 1500 |
| 2018 | 8 | 885 | 863 | 1042 |
| 2017 | 7 | 672 | 662 | 836 |
| 2016 | 8 | 757 | 737 | 978 |
| 2015 | 7 | 658 | 644 | 800 |
| 2014 | 9 | 531 | 519 | 661 |
| 2013 | 8 | 616 | 601 | 747 |
| 2012 | 7 | 609 | 597 | 772 |
| 2011 | 7 | 529 | 511 | 672 |
| 2010 | 9 | 559 | 514 | 681 |
| 2009 | 8 | 138 | 134 | 188 |
| 2008 | 9 | 118 | 103 | 152 |
| 2007 | 8 | 35 | 20 | 59 |
| 2006 | 7 | 18 | 8 | 24 |
| 2005 | 8 | 19 | 6 | 30 |
| 2004 | 4 | 13 | 10 | 18 |
| 2003 | 2 | 4 | 4 | 4 |
| 2002 | 3 | 3 | 3 | 3 |
| 2001 | 1 | 1 | 1 | 1 |
| 2000 | 1 | 3 | 3 | 3 |
| 1999 | 1 | 2 | 2 | 2 |
| 1998 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 1 | 1 | 1 |
| 1994 | 6 | 11 | 11 | 16 |
| 1993 | 1 | 1 | 1 | 1 |
| 1991 | 3 | 3 | 3 | 3 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 5 | 8 | 8 | 9 |
| Total | 13 | 4652 | 4214 | 9205 |
