Localities: Osterøy
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2022 | 41 | 3 | 2 | 59 |
| 2021 | 38 | 1 | 1 | 38 |
| 2020 | 7 | 1 | 1 | 7 |
| 2019 | 59 | 8 | 1 | 84 |
| 2018 | 150 | 1 | 1 | 356 |
| 2017 | 75 | 1 | 1 | 107 |
| 2016 | 63 | 2 | 1 | 96 |
| 2015 | 39 | 1 | 1 | 63 |
| 2014 | 203 | 2 | 1 | 480 |
| 2013 | 145 | 1 | 1 | 309 |
| 2012 | 127 | 3 | 3 | 252 |
| 2011 | 194 | 2 | 2 | 442 |
| 2010 | 153 | 5 | 4 | 396 |
| 2009 | 98 | 2 | 2 | 116 |
| 2008 | 63 | 5 | 3 | 115 |
| 2007 | 4 | 1 | 1 | 4 |
| 2006 | 4 | 1 | 1 | 4 |
| 2005 | 1 | 1 | 1 | 1 |
| Totalt alle år | 391 | 23 | 10 | 2929 |