| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Noord-Holland | 1 252 | 859 | 1 470 | 1 551 | 1 217 | 1 140 | 1 149 | 630 | 1 675 | 2 121 |
| Noord-Brabant | 743 | 428 | 621 | 528 | 544 | 584 | 620 | 519 | 526 | 658 |
| Gelderland | 992 | 472 | 700 | 863 | 502 | 349 | 286 | 338 | 338 | 426 |
| Limburg | 318 | 183 | 251 | 185 | 157 | 186 | 214 | 164 | 165 | 221 |
| Overijssel | 263 | 138 | 198 | 139 | 164 | 176 | 151 | 163 | 167 | 209 |
| Friesland | 636 | 298 | 192 | 103 | 122 | 107 | 100 | 106 | 107 | 134 |
| Groningen | 294 | 130 | 94 | 58 | 68 | 55 | 53 | 69 | 74 | 87 |
| Drenthe | 185 | 98 | 69 | 49 | 61 | 67 | 48 | 62 | 62 | 77 |
| Zeeland | 91 | 50 | 75 | 41 | 44 | 44 | 33 | 1 611 | 45 | 53 |
| Flevoland | 79 | 43 | 70 | 36 | 45 | 34 | 27 | 45 | 46 | 50 |