Location: Bøleveien 18
| Year | Arter/grupper | Participants | Observations |
|---|---|---|---|
| 1989 | 12 | 1 | 18 |
| 2010 | 191 | 1 | 565 |
| 2018 | 9 | 1 | 22 |
| 2019 | 22 | 1 | 100 |
| 2021 | 184 | 1 | 336 |
| 2022 | 243 | 1 | 461 |
| 2015 | 8 | 1 | 8 |
| 2006 | 3 | 1 | 3 |
| 1996 | 1 | 1 | 1 |
| 2024 | 1 | 1 | 1 |
| 1995 | 1 | 1 | 1 |
| 2023 | 99 | 1 | 156 |
| 1990 | 25 | 1 | 26 |
| 1994 | 1 | 1 | 1 |
| 2011 | 296 | 1 | 860 |
| 2014 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 |
| 2012 | 187 | 1 | 423 |
| Totalt alle år | 537 | 1 | 2984 |