Localities: Sandefjord
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2025 | 73 | 7 | 1 | 96 |
| 2024 | 109 | 5 | 1 | 148 |
| 2023 | 134 | 7 | 2 | 250 |
| 2022 | 262 | 10 | 4 | 646 |
| 2021 | 209 | 9 | 2 | 471 |
| 2019 | 88 | 15 | 3 | 372 |
| 2018 | 34 | 13 | 2 | 128 |
| 2017 | 177 | 7 | 3 | 239 |
| 2016 | 24 | 4 | 4 | 39 |
| 2015 | 39 | 16 | 4 | 102 |
| 2014 | 111 | 9 | 4 | 146 |
| 2013 | 74 | 2 | 1 | 81 |
| 2012 | 221 | 16 | 5 | 517 |
| 2011 | 333 | 18 | 6 | 1135 |
| 2010 | 196 | 6 | 5 | 586 |
| 2008 | 2 | 2 | 2 | 2 |
| 2007 | 2 | 2 | 2 | 2 |
| 2006 | 4 | 2 | 2 | 4 |
| 2005 | 1 | 1 | 1 | 1 |
| 2004 | 2 | 2 | 1 | 2 |
| 2000 | 4 | 1 | 1 | 4 |
| 1996 | 1 | 1 | 1 | 1 |
| 1995 | 1 | 1 | 1 | 1 |
| 1994 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 26 | 2 | 1 | 27 |
| 1989 | 12 | 1 | 1 | 18 |
| Totalt alle år | 680 | 80 | 23 | 5020 |