Localities: Grimstad
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2021 | 7 | 2 | 1 | 7 |
| 2020 | 2 | 2 | 2 | 2 |
| 2019 | 15 | 1 | 1 | 16 |
| 2018 | 40 | 2 | 1 | 40 |
| 2017 | 1 | 1 | 1 | 1 |
| 2016 | 19 | 3 | 2 | 22 |
| 2015 | 15 | 1 | 1 | 15 |
| 2014 | 90 | 2 | 2 | 90 |
| 2013 | 4 | 2 | 2 | 4 |
| 2011 | 4 | 2 | 2 | 4 |
| 2010 | 246 | 14 | 4 | 627 |
| 2009 | 91 | 2 | 2 | 178 |
| 2007 | 32 | 1 | 1 | 35 |
| 2006 | 1 | 1 | 1 | 1 |
| Totalt alle år | 362 | 23 | 9 | 1042 |