| År | Arter/grupper | Lokaliteter | Deltakere | Observasjoner |
|---|---|---|---|---|
| 2011 | 8 | 106 | 101 | 192 |
| 2010 | 7 | 99 | 95 | 146 |
| 2012 | 9 | 156 | 153 | 264 |
| 2013 | 11 | 163 | 152 | 304 |
| 2017 | 8 | 176 | 171 | 244 |
| 2016 | 8 | 188 | 184 | 285 |
| 2009 | 8 | 68 | 65 | 121 |
| 2008 | 10 | 103 | 57 | 257 |
| 2007 | 12 | 92 | 46 | 193 |
| 2019 | 10 | 148 | 144 | 206 |
| 2018 | 11 | 301 | 296 | 398 |
| 2006 | 11 | 62 | 18 | 103 |
| 2015 | 11 | 219 | 207 | 298 |
| 2014 | 11 | 199 | 193 | 317 |
| 2005 | 11 | 66 | 20 | 184 |
| 2004 | 5 | 19 | 16 | 30 |
| 2002 | 3 | 4 | 4 | 7 |
| 2003 | 6 | 11 | 9 | 17 |
| 2001 | 2 | 2 | 2 | 3 |
| 2000 | 4 | 2 | 2 | 4 |
| 1999 | 3 | 2 | 2 | 3 |
| 1998 | 2 | 1 | 1 | 2 |
| 1997 | 4 | 1 | 1 | 4 |
| 1989 | 2 | 3 | 3 | 3 |
| 1995 | 4 | 1 | 1 | 4 |
| 1996 | 1 | 1 | 1 | 1 |
| 1991 | 4 | 2 | 2 | 5 |
| 1992 | 5 | 2 | 2 | 6 |
| 1994 | 8 | 5 | 5 | 16 |
| 1993 | 4 | 4 | 4 | 4 |
| 1990 | 2 | 3 | 3 | 3 |
| Total | 17 | 1473 | 1258 | 3624 |
