Cerastoderma edule
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2022 | 1 | 2 | 2 | 5 |
| 2021 | 1 | 3 | 3 | 10 |
| 2020 | 1 | 8 | 7 | 18 |
| 2019 | 1 | 9 | 7 | 22 |
| 2018 | 1 | 7 | 7 | 12 |
| 2017 | 1 | 6 | 6 | 10 |
| 2016 | 1 | 8 | 8 | 21 |
| 2015 | 1 | 7 | 6 | 26 |
| 2014 | 1 | 10 | 9 | 31 |
| 2013 | 1 | 2 | 2 | 6 |
| 2012 | 1 | 2 | 2 | 3 |
| 2010 | 1 | 1 | 1 | 1 |
| 2006 | 1 | 1 | 1 | 2 |
| 2004 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 54 | 47 | 169 |