Location: Gjennestadvannet NV
| Year | Arter/grupper | Participants | Observations |
|---|---|---|---|
| 2024 | 6 | 1 | 6 |
| 2016 | 2 | 1 | 3 |
| 2018 | 10 | 1 | 30 |
| 2019 | 26 | 1 | 111 |
| 2008 | 1 | 1 | 1 |
| 2023 | 20 | 1 | 44 |
| 2021 | 30 | 1 | 81 |
| 2015 | 3 | 1 | 3 |
| 2010 | 8 | 1 | 10 |
| 2012 | 12 | 1 | 18 |
| 2022 | 26 | 1 | 133 |
| 2014 | 4 | 1 | 5 |
| 2011 | 31 | 1 | 86 |
| Totalt alle år | 63 | 1 | 531 |