Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 5 | 1 January 2004 | |
| 2. | |
VRS Castricum | 3 | 30 September 1966 | |
| 3. | |
VRS Castricum | 3 | 5 October 1974 | |
| 4. | |
VRS Castricum | 2 | 6 October 1967 | |
| 5. | |
VRS Castricum | 2 | 5 August 2008 | |
| 6. | |
VRS Castricum | 2 | 5 August 2012 | |
| 7. | |
VRS Castricum | 1 | 26 September 1962 | |
| 8. | |
VRS Castricum | 1 | 1 November 1962 | |
| 9. | |
VRS Castricum | 1 | 10 October 1965 | |
| 10. | |
VRS Castricum | 1 | 29 September 1966 | |
| 11. | |
VRS Castricum | 1 | 14 October 1966 | |
| 12. | |
VRS Castricum | 1 | 1 October 1967 | |
| 13. | |
VRS Castricum | 1 | 18 October 1969 | |
| 14. | |
VRS Castricum | 1 | 25 October 1971 | |
| 15. | |
VRS Castricum | 1 | 31 August 1987 | |
| 16. | |
VRS Castricum | 1 | 14 October 1988 | |
| 17. | |
VRS Castricum | 1 | 17 October 1993 | |
| 18. | |
VRS Castricum | 1 | 14 April 1996 | |
| 19. | |
VRS Castricum | 1 | 8 December 1996 | |
| 20. | |
VRS Castricum | 1 | 29 July 2000 | |
| 21. | |
VRS Castricum | 1 | 21 August 2001 | |
| 22. | |
VRS Castricum | 1 | 19 August 2006 | |
| 23. | |
VRS Castricum | 1 | 3 July 2010 | |
| 24. | |
VRS Castricum | 1 | 14 August 2010 | |
| 25. | |
VRS Castricum | 1 | 13 July 2013 | |
| 26. | |
VRS Castricum | 1 | 11 October 2014 | |
