indet.: Snegler, flate (Gastropoda Samlegruppe)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2013 | 1 | 2 | 2 | 7 |
| 2007 | 1 | 1 | 1 | 1 |
| 2005 | 1 | 1 | 1 | 2 |
| 2004 | 1 | 2 | 2 | 3 |
| 1999 | 1 | 1 | 1 | 1 |
| 1998 | 1 | 6 | 6 | 18 |
| 1997 | 1 | 17 | 16 | 44 |
| 1996 | 1 | 20 | 19 | 47 |
| 1995 | 1 | 32 | 29 | 69 |
| 1994 | 1 | 38 | 34 | 78 |
| 1993 | 1 | 21 | 17 | 27 |
| Totalt alle år | 1 | 88 | 77 | 297 |