Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 1 | 21 October 1974 | |
| 2. | |
VRS Castricum | 1 | 10 November 1984 | |
| 3. | |
VRS Castricum | 1 | 24 November 1991 | |
| 4. | |
VRS Castricum | 1 | 17 November 1993 | |
| 5. | |
VRS Castricum | 1 | 31 October 2009 | |
| 6. | |
VRS Castricum | 1 | 1 November 2009 | |
| 7. | |
VRS Castricum | 1 | 18 August 2012 | |
