| 2000 | 2005 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|---|
| Bratislavský kraj | 21 600 | 34 300 | 46 300 | 48 400 | 48 800 |
| Trnavský kraj | 10 400 | 15 200 | 20 900 | 21 700 | 22 500 |
| Nitriansky kraj | 8 600 | 12 500 | 15 600 | 17 300 | 18 000 |
| Trenciansky kraj | 9 400 | 12 400 | 17 000 | 17 100 | 17 800 |
| Zilinský kraj | 8 100 | 11 600 | 16 500 | 16 800 | 17 400 |
| Kosický kraj | 8 900 | 11 900 | 15 000 | 15 100 | 15 700 |
| Banskobystrický kraj | 8 300 | 10 100 | 13 900 | 13 700 | 14 300 |
| Presovský kraj | 6 100 | 8 300 | 10 900 | 11 400 | 11 900 |