Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 2 | 25 July 2012 | |
| 2. | |
VRS Castricum | 1 | 12 October 1994 | |
| 3. | |
VRS Castricum | 1 | 6 October 2001 | |
| 4. | |
VRS Castricum | 1 | 30 May 2004 | |
| 5. | |
VRS Castricum | 1 | 11 July 2009 | |
| 6. | |
VRS Castricum | 1 | 9 October 2010 | |
| 7. | |
VRS Castricum | 1 | 5 May 2011 | |
| 8. | |
VRS Castricum | 1 | 9 May 2011 | |
| 9. | |
VRS Castricum | 1 | 24 May 2012 | |
| 10. | |
VRS Castricum | 1 | 15 June 2012 | |
| 11. | |
VRS Castricum | 1 | 7 July 2015 | |
| 12. | |
VRS Castricum | 1 | 27 May 2017 | |
| 13. | |
VRS Castricum | 1 | 2 June 2017 | |
| 14. | |
VRS Castricum | 1 | 20 May 2018 | |
| 15. | |
VRS Castricum | 1 | 26 June 2018 | |
| 16. | |
VRS Castricum | 1 | 29 June 2018 | |
| 17. | |
VRS Castricum | 1 | 20 May 2020 | |
