Species: Yarrow Conch (Aethes smeathmanniana)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 4 | 3 | 5 |
| 2023 | 1 | 2 | 2 | 2 |
| 2022 | 1 | 3 | 3 | 4 |
| 2021 | 1 | 3 | 2 | 6 |
| 2020 | 1 | 1 | 1 | 1 |
| 2019 | 1 | 3 | 3 | 7 |
| 2017 | 1 | 9 | 6 | 14 |
| 2016 | 1 | 11 | 6 | 15 |
| 2015 | 1 | 5 | 4 | 10 |
| 2014 | 1 | 9 | 6 | 23 |
| 2013 | 1 | 15 | 8 | 26 |
| 2012 | 1 | 14 | 8 | 28 |
| 2011 | 1 | 10 | 7 | 40 |
| 2010 | 1 | 13 | 8 | 33 |
| 2009 | 1 | 16 | 8 | 39 |
| 2008 | 1 | 4 | 4 | 8 |
| Totalt alle år | 1 | 64 | 17 | 261 |