Localities: Oslo
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2025 | 25 | 4 | 3 | 33 |
| 2024 | 20 | 4 | 3 | 28 |
| 2023 | 13 | 4 | 3 | 13 |
| 2022 | 45 | 5 | 5 | 92 |
| 2021 | 42 | 4 | 4 | 74 |
| 2020 | 43 | 10 | 4 | 60 |
| 2019 | 65 | 11 | 6 | 122 |
| 2018 | 77 | 19 | 5 | 261 |
| 2017 | 45 | 10 | 5 | 83 |
| 2016 | 20 | 6 | 4 | 21 |
| 2015 | 5 | 5 | 5 | 6 |
| 2014 | 27 | 10 | 8 | 33 |
| 2013 | 106 | 5 | 4 | 233 |
| 2012 | 164 | 15 | 8 | 444 |
| 2011 | 302 | 25 | 13 | 918 |
| 2010 | 33 | 12 | 8 | 39 |
| 2009 | 53 | 6 | 5 | 86 |
| 2008 | 19 | 14 | 8 | 29 |
| 2007 | 29 | 16 | 8 | 37 |
| 2006 | 8 | 5 | 5 | 8 |
| 2005 | 5 | 2 | 2 | 5 |
| Totalt alle år | 476 | 135 | 64 | 2625 |