| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ? |
| Drenthe | Flevoland |
| Friesland (0/2) | Gelderland (0/2) |
| Groningen | Limburg |
| Noord-Brabant (0/2) | Noord-Holland (0/10) |
| Overijssel | Utrecht (0/1) |
| Zeeland (0/2) | Zuid-Holland (0/1) |
| Sleutel: (aantal subcategoriën/aantal vermeldingen) | |