| År | Arter/grupper | Lokaliteter | Deltakere | Observasjoner |
|---|---|---|---|---|
| 2020 | 2 | 196 | 196 | 204 |
| 2019 | 2 | 222 | 220 | 249 |
| 2018 | 2 | 265 | 254 | 288 |
| 2017 | 2 | 179 | 179 | 217 |
| 2016 | 2 | 153 | 147 | 200 |
| 2015 | 2 | 148 | 147 | 168 |
| 2014 | 2 | 147 | 142 | 177 |
| 2013 | 2 | 172 | 165 | 225 |
| 2012 | 2 | 147 | 145 | 196 |
| 2011 | 2 | 171 | 168 | 227 |
| 2010 | 2 | 105 | 102 | 148 |
| 2009 | 2 | 28 | 28 | 51 |
| 2008 | 2 | 17 | 15 | 19 |
| 2007 | 2 | 3 | 3 | 3 |
| 2006 | 2 | 2 | 2 | 2 |
| 2004 | 1 | 1 | 1 | 1 |
| 1999 | 1 | 1 | 1 | 1 |
| 1997 | 1 | 1 | 1 | 1 |
| 1994 | 2 | 1 | 1 | 2 |
| 1991 | 1 | 1 | 1 | 1 |
| Total | 2 | 1375 | 1297 | 2380 |
