| 2000 | 2005 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|---|
| Bratislavský kraj | 5 549 | 10 723 | 18 991 | 19 597 | 19 870 |
| Trnavský kraj | 2 394 | 4 351 | 7 696 | 8 079 | 8 361 |
| Kosický kraj | 2 851 | 4 766 | 7 692 | 8 052 | 8 340 |
| Nitriansky kraj | 2 564 | 4 585 | 7 225 | 8 009 | 8 291 |
| Zilinský kraj | 2 349 | 4 168 | 7 552 | 7 767 | 7 992 |
| Trenciansky kraj | 2 378 | 3 878 | 6 671 | 6 837 | 7 043 |
| Presovský kraj | 1 983 | 3 426 | 5 790 | 6 217 | 6 511 |
| Banskobystrický kraj | 2 279 | 3 453 | 5 960 | 6 070 | 6 295 |