Species: Roman Snail (Helix pomatia)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2020 | 1 | 1 | 1 | 2 |
| 2019 | 1 | 6 | 4 | 7 |
| 2018 | 1 | 2 | 2 | 2 |
| 2017 | 1 | 2 | 2 | 4 |
| 2016 | 1 | 1 | 1 | 2 |
| 2015 | 1 | 14 | 13 | 21 |
| 2014 | 1 | 3 | 2 | 3 |
| 2012 | 1 | 2 | 2 | 2 |
| 2008 | 1 | 1 | 1 | 1 |
| 2007 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 32 | 27 | 45 |