| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Noord-Brabant | 398 | 332 | 308 | 398 | 336 | 405 | 394 | 444 | 466 | 573 |
| Noord-Holland | 373 | 299 | 247 | 331 | 288 | 363 | 363 | 203 | 388 | 461 |
| Gelderland | 236 | 213 | 229 | 262 | 242 | 301 | 293 | 289 | 349 | 427 |
| Overijssel | 147 | 133 | 157 | 187 | 161 | 157 | 150 | 185 | 203 | 236 |
| Limburg | 110 | 91 | 68 | 99 | 87 | 112 | 108 | 112 | 131 | 161 |
| Friesland | 82 | 70 | 59 | 77 | 67 | 91 | 88 | 78 | 88 | 109 |
| Zeeland | 35 | 31 | 36 | 58 | 53 | 52 | 48 | 334 | 66 | 83 |
| Groningen | 60 | 52 | 53 | 52 | 46 | 61 | 58 | 56 | 60 | 77 |
| Flevoland | 24 | 22 | 41 | 66 | 47 | 43 | 43 | 50 | 98 | 77 |
| Drenthe | 42 | 36 | 43 | 59 | 52 | 65 | 63 | 52 | 57 | 73 |