Prosobranchia
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 5 | 3 | 3 | 14 |
| 2023 | 8 | 6 | 5 | 48 |
| 2022 | 8 | 10 | 8 | 72 |
| 2021 | 6 | 15 | 12 | 86 |
| 2020 | 10 | 21 | 17 | 144 |
| 2019 | 8 | 28 | 21 | 170 |
| 2018 | 10 | 18 | 14 | 158 |
| 2017 | 11 | 20 | 13 | 142 |
| 2016 | 12 | 32 | 21 | 238 |
| 2015 | 12 | 25 | 14 | 176 |
| 2014 | 18 | 32 | 17 | 131 |
| 2013 | 16 | 25 | 15 | 85 |
| 2012 | 10 | 19 | 8 | 71 |
| 2011 | 3 | 15 | 3 | 48 |
| 2010 | 8 | 21 | 7 | 64 |
| 2009 | 7 | 8 | 5 | 31 |
| 2008 | 7 | 6 | 5 | 41 |
| 2007 | 12 | 8 | 7 | 44 |
| 2006 | 9 | 6 | 5 | 45 |
| 2005 | 5 | 8 | 7 | 87 |
| 2004 | 13 | 16 | 11 | 143 |
| 2003 | 12 | 9 | 8 | 174 |
| 2002 | 13 | 12 | 12 | 124 |
| 2001 | 12 | 21 | 18 | 202 |
| 2000 | 10 | 27 | 26 | 300 |
| 1999 | 8 | 32 | 30 | 400 |
| 1998 | 8 | 60 | 59 | 1003 |
| 1997 | 10 | 97 | 90 | 2020 |
| 1996 | 9 | 173 | 172 | 3634 |
| 1995 | 9 | 206 | 190 | 4340 |
| 1994 | 10 | 264 | 250 | 5468 |
| 1993 | 9 | 287 | 268 | 6004 |
| 1992 | 3 | 3 | 4 | 8 |
| 1990 | 2 | 4 | 4 | 5 |
| 1989 | 2 | 4 | 4 | 4 |
| Totalt alle år | 37 | 603 | 496 | 25724 |