Localities: Arendal
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2022 | 8 | 3 | 3 | 8 |
| 2019 | 2 | 4 | 3 | 4 |
| 2013 | 368 | 2 | 1 | 635 |
| 2011 | 2 | 1 | 1 | 2 |
| 2007 | 12 | 4 | 3 | 19 |
| 2006 | 1 | 1 | 1 | 1 |
| 2020 | 6 | 5 | 3 | 7 |
| 2014 | 584 | 15 | 3 | 1951 |
| 2015 | 493 | 7 | 4 | 1324 |
| 2018 | 3 | 3 | 3 | 3 |
| 2016 | 269 | 5 | 3 | 384 |
| 2017 | 217 | 6 | 4 | 240 |
| Totalt alle år | 806 | 38 | 17 | 4578 |