Localities: Oslo
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2023 | 11 | 4 | 3 | 11 |
| 2022 | 44 | 5 | 5 | 91 |
| 2021 | 41 | 4 | 4 | 73 |
| 2020 | 42 | 10 | 4 | 59 |
| 2019 | 61 | 11 | 6 | 112 |
| 2018 | 69 | 18 | 4 | 231 |
| 2017 | 43 | 10 | 5 | 77 |
| 2016 | 18 | 5 | 3 | 19 |
| 2015 | 4 | 5 | 5 | 5 |
| 2014 | 27 | 10 | 8 | 33 |
| 2013 | 103 | 4 | 4 | 230 |
| 2012 | 158 | 15 | 8 | 434 |
| 2011 | 292 | 25 | 13 | 889 |
| 2010 | 31 | 12 | 8 | 37 |
| 2009 | 53 | 6 | 5 | 86 |
| 2008 | 19 | 14 | 8 | 29 |
| 2007 | 28 | 15 | 7 | 36 |
| 2006 | 8 | 5 | 5 | 8 |
| 2005 | 5 | 2 | 2 | 5 |
| Totalt alle år | 450 | 129 | 61 | 2465 |