| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2012 | 63 | 154 | 42 | 1414 |
| 2011 | 60 | 140 | 42 | 1693 |
| 2014 | 63 | 143 | 39 | 2152 |
| 2015 | 61 | 127 | 42 | 1693 |
| 2022 | 47 | 35 | 19 | 264 |
| 2010 | 58 | 183 | 42 | 1968 |
| 2016 | 65 | 118 | 32 | 1660 |
| 2018 | 62 | 53 | 25 | 743 |
| 2013 | 63 | 127 | 32 | 1492 |
| 2021 | 38 | 29 | 16 | 176 |
| 2020 | 43 | 46 | 25 | 186 |
| 2009 | 51 | 118 | 27 | 1383 |
| 2019 | 57 | 67 | 28 | 867 |
| 2017 | 61 | 91 | 31 | 965 |
| 2008 | 50 | 104 | 26 | 627 |
| 1991 | 7 | 4 | 2 | 7 |
| 1992 | 6 | 3 | 1 | 7 |
| 2007 | 45 | 63 | 25 | 237 |
| 1989 | 3 | 3 | 1 | 3 |
| 2006 | 18 | 10 | 7 | 26 |
| 1994 | 5 | 4 | 1 | 5 |
| 1993 | 8 | 5 | 1 | 9 |
| 1995 | 15 | 7 | 1 | 19 |
| 2005 | 7 | 5 | 3 | 9 |
| 2002 | 1 | 1 | 1 | 1 |
| 2001 | 5 | 3 | 1 | 6 |
| 1996 | 4 | 5 | 1 | 5 |
| 2003 | 1 | 1 | 1 | 1 |
| 1997 | 2 | 1 | 1 | 2 |
| 2004 | 3 | 3 | 1 | 3 |
| 2000 | 2 | 2 | 1 | 2 |
| Totalt alle år | 74 | 864 | 131 | 17625 |