Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 2 | 24 March 2013 | |
| 2. | |
VRS Castricum | 1 | 1 February 1976 | |
| 3. | |
VRS Castricum | 1 | 11 May 1993 | |
| 4. | |
VRS Castricum | 1 | 12 May 1994 | |
| 5. | |
VRS Castricum | 1 | 11 March 1995 | |
| 6. | |
VRS Castricum | 1 | 13 August 2000 | |
| 7. | |
VRS Castricum | 1 | 15 July 2001 | |
| 8. | |
VRS Castricum | 1 | 7 May 2011 | |
| 9. | |
VRS Castricum | 1 | 1 February 2012 | |
