| 2010 | 2011 | 2012 | 2013 | 2014 | |
|---|---|---|---|---|---|
| Nitriansky kraj | 3 296 | 2 346 | 3 359 | 1 873 | 3 232 |
| Trnavský kraj | 3 433 | 2 264 | 2 461 | 1 890 | 2 213 |
| Banskobystrický kraj | 1 567 | 1 718 | 1 901 | 1 432 | 2 069 |
| Trenciansky kraj | 1 308 | 776 | 1 376 | 1 234 | 1 631 |
| Kosický kraj | 1 587 | 1 823 | 1 708 | 1 588 | 1 287 |
| Zilinský kraj | 1 271 | 984 | 1 118 | 1 066 | 1 216 |
| Presovský kraj | 1 445 | 1 255 | 1 108 | 925 | 1 196 |
| Bratislavský kraj | 541 | 782 | 594 | 351 | 471 |