Localities: Indre Østfold
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2022 | 10 | 1 | 1 | 10 |
| 2021 | 27 | 1 | 1 | 27 |
| 2020 | 24 | 5 | 2 | 27 |
| 2019 | 60 | 5 | 3 | 60 |
| 2018 | 18 | 2 | 1 | 23 |
| 2017 | 69 | 5 | 4 | 86 |
| 2016 | 39 | 3 | 3 | 40 |
| 2015 | 188 | 5 | 3 | 356 |
| 2014 | 67 | 5 | 4 | 73 |
| 2013 | 106 | 4 | 3 | 151 |
| 2012 | 65 | 4 | 4 | 86 |
| 2011 | 38 | 3 | 3 | 50 |
| 2010 | 80 | 2 | 2 | 145 |
| 2009 | 207 | 2 | 1 | 619 |
| 2008 | 1 | 1 | 1 | 2 |
| Totalt alle år | 408 | 14 | 7 | 1755 |