| År | Arter/grupper | Lokaliteter | Deltakere | Observasjoner |
|---|---|---|---|---|
| 2020 | 3 | 1435 | 1406 | 1624 |
| 2019 | 3 | 3326 | 3277 | 3934 |
| 2018 | 4 | 2607 | 2559 | 3145 |
| 2017 | 4 | 1633 | 1606 | 2065 |
| 2016 | 4 | 2090 | 2046 | 2680 |
| 2015 | 2 | 2492 | 2419 | 3002 |
| 2014 | 3 | 2031 | 2002 | 2577 |
| 2013 | 4 | 2589 | 2519 | 3336 |
| 2012 | 3 | 1874 | 1833 | 2435 |
| 2011 | 2 | 2044 | 1987 | 2577 |
| 2010 | 2 | 1937 | 1811 | 2567 |
| 2009 | 2 | 504 | 484 | 779 |
| 2008 | 2 | 263 | 241 | 448 |
| 2007 | 2 | 31 | 24 | 111 |
| 2006 | 2 | 17 | 7 | 18 |
| 2005 | 2 | 17 | 9 | 62 |
| 2004 | 1 | 18 | 12 | 64 |
| 2003 | 2 | 7 | 3 | 23 |
| 2002 | 1 | 2 | 2 | 2 |
| 2001 | 2 | 2 | 2 | 2 |
| 2000 | 1 | 1 | 1 | 1 |
| 1999 | 1 | 2 | 2 | 2 |
| 1998 | 1 | 1 | 1 | 1 |
| 1997 | 1 | 1 | 1 | 1 |
| 1995 | 1 | 1 | 1 | 1 |
| 1994 | 2 | 6 | 6 | 7 |
| 1993 | 2 | 4 | 4 | 4 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 1 | 1 | 1 | 1 |
| Total | 6 | 12381 | 11380 | 31472 |
