| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2020 | 9 | 11 | 4 | 41 |
| 2019 | 8 | 11 | 8 | 77 |
| 2018 | 16 | 12 | 6 | 72 |
| 2017 | 15 | 17 | 10 | 82 |
| 2016 | 14 | 27 | 13 | 124 |
| 2015 | 16 | 35 | 17 | 229 |
| 2014 | 21 | 56 | 13 | 388 |
| 2013 | 19 | 49 | 14 | 245 |
| 2012 | 21 | 39 | 10 | 165 |
| 2011 | 20 | 49 | 17 | 247 |
| 2010 | 17 | 60 | 14 | 308 |
| 2009 | 18 | 38 | 14 | 203 |
| 2008 | 12 | 14 | 7 | 51 |
| 2007 | 6 | 10 | 4 | 15 |
| 2006 | 8 | 5 | 1 | 9 |
| Totalt alle år | 25 | 233 | 35 | 2256 |