Localities: Norway
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| Totalt alle år | 1944 | 3731 | 962 | 239253 |
| 1989 | 45 | 9 | 2 | 53 |
| 1990 | 32 | 7 | 4 | 34 |
| 1991 | 63 | 10 | 4 | 75 |
| 1992 | 92 | 14 | 1 | 152 |
| 1993 | 62 | 14 | 1 | 70 |
| 1994 | 41 | 11 | 3 | 51 |
| 1995 | 131 | 15 | 4 | 165 |
| 1996 | 49 | 26 | 3 | 64 |
| 1997 | 11 | 3 | 2 | 13 |
| 1998 | 8 | 4 | 1 | 9 |
| 1999 | 32 | 8 | 2 | 45 |
| 2000 | 35 | 12 | 3 | 40 |
| 2001 | 23 | 8 | 3 | 26 |
| 2002 | 9 | 10 | 9 | 15 |
| 2003 | 25 | 22 | 17 | 38 |
| 2004 | 41 | 21 | 13 | 54 |
| 2005 | 133 | 49 | 27 | 174 |
| 2006 | 320 | 139 | 48 | 647 |
| 2007 | 637 | 294 | 103 | 2646 |
| 2008 | 854 | 333 | 99 | 7158 |
| 2009 | 1047 | 440 | 102 | 18948 |
| 2010 | 1204 | 616 | 162 | 25081 |
| 2011 | 1273 | 529 | 180 | 24496 |
| 2012 | 1226 | 440 | 138 | 18586 |
| 2013 | 1202 | 348 | 119 | 19681 |
| 2014 | 1296 | 470 | 142 | 26781 |
| 2015 | 1251 | 421 | 128 | 23212 |
| 2016 | 1233 | 357 | 104 | 16561 |
| 2017 | 1194 | 288 | 97 | 10107 |
| 2018 | 1030 | 243 | 97 | 9540 |
| 2019 | 1033 | 271 | 104 | 10628 |
| 2020 | 753 | 218 | 94 | 3770 |
| 2021 | 770 | 174 | 72 | 3453 |
| 2022 | 707 | 181 | 86 | 4030 |
| 2023 | 669 | 150 | 71 | 4021 |
| 2024 | 763 | 155 | 53 | 4042 |
| 2025 | 709 | 192 | 71 | 4787 |