Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 1 | 17 May 2006 | |
| 2. | |
VRS Castricum | 1 | 12 May 2008 | |
| 3. | |
VRS Castricum | 1 | 13 July 2008 | |
| 4. | |
VRS Castricum | 1 | 15 May 2009 | |
| 5. | |
VRS Castricum | 1 | 9 July 2009 | |
| 6. | |
VRS Castricum | 1 | 5 July 2011 | |
| 7. | |
VRS Castricum | 1 | 10 July 2011 | |
| 8. | |
VRS Castricum | 1 | 26 May 2012 | |
| 9. | |
VRS Castricum | 1 | 26 July 2014 | |
| 10. | |
VRS Castricum | 1 | 28 July 2014 | |
| 11. | |
VRS Castricum | 1 | 23 July 2015 | |
| 12. | |
VRS Castricum | 1 | 29 May 2017 | |
