Family: Sphaeriidae
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2014 | 1 | 1 | 1 | 2 |
| 2013 | 4 | 9 | 9 | 13 |
| 2012 | 2 | 2 | 2 | 3 |
| 2011 | 1 | 1 | 1 | 1 |
| 2010 | 2 | 2 | 2 | 2 |
| 2008 | 1 | 2 | 2 | 3 |
| 2007 | 1 | 1 | 1 | 1 |
| 2005 | 1 | 1 | 1 | 1 |
| 2002 | 1 | 3 | 4 | 4 |
| 1998 | 1 | 1 | 1 | 1 |
| 1996 | 2 | 9 | 7 | 13 |
| 1995 | 2 | 7 | 7 | 9 |
| 1994 | 1 | 5 | 5 | 5 |
| 1993 | 4 | 24 | 24 | 30 |
| 1992 | 4 | 22 | 21 | 28 |
| 1991 | 2 | 3 | 3 | 3 |
| 1990 | 3 | 36 | 35 | 49 |
| 1989 | 3 | 32 | 32 | 34 |
| Totalt alle år | 8 | 98 | 93 | 202 |