Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 2 | 22 June 1997 | |
| 2. | |
VRS Castricum | 1 | 8 January 1979 | |
| 3. | |
VRS Castricum | 1 | 20 February 1985 | |
| 4. | |
VRS Castricum | 1 | 20 February 1986 | |
| 5. | |
VRS Castricum | 1 | 31 December 1995 | |
| 6. | |
VRS Castricum | 1 | 6 January 1996 | |
| 7. | |
VRS Castricum | 1 | 11 July 1998 | |
| 8. | |
VRS Castricum | 1 | 12 July 1998 | |
| 9. | |
VRS Castricum | 1 | 23 June 2001 | |
| 10. | |
VRS Castricum | 1 | 29 June 2010 | |
| 11. | |
VRS Castricum | 1 | 19 May 2012 | |
