| 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
|---|---|---|---|---|---|---|---|---|
| Mazowieckie | 3.564 | 4.370 | 4.679 | 4.794 | 5.357 | 6.142 | 6.883 | 7.833 |
| Malopolskie | 1.427 | 1.509 | 1.717 | 1.831 | 1.914 | 2.114 | 2.499 | |
| Pomorskie | 1.109 | 1.238 | 1.398 | 1.401 | 1.743 | 1.976 | 2.186 | |
| Slaskie | 1.197 | 1.263 | 1.269 | 1.285 | 1.354 | 1.537 | 1.617 | |
| Dolnoslaskie | 803 | 803 | 974 | 945 | 1.022 | 1.139 | 1.188 | |
| Wielkopolskie | 698 | 716 | 794 | 675 | 719 | 748 | 849 | |
| Podkarpackie | 248 | 285 | 299 | 303 | 322 | 333 | ||
| Zachodniopomorskie | 123 | 176 | 160 | 153 | 203 | 226 | ||
| Kujawsko-Pomorskie | 140 | 170 | 172 | 158 | 170 | 166 | ||
| Lódzkie | 195 | 235 | 180 | 128 | 145 | 120 |