| 2010 | 2011 | 2012 | |
|---|---|---|---|
| Auckland | 4 327 | 5 696 | 5 739 |
| Canterbury | 4 137 | 5 460 | 5 685 |
| Waikato | 1 786 | 2 265 | 2 283 |
| Wellington | 1 819 | 2 144 | 2 155 |
| Bay of Plenty | 1 329 | 1 587 | 1 640 |
| Otago | 1 165 | 1 445 | 1 434 |
| Northland | 874 | 1 031 | 1 049 |
| Taranaki | 695 | 936 | 1 045 |
| Hawke's Bay | 742 | 969 | 1 024 |
| Southland | 662 | 915 | 996 |
| Manawatu-Wanganui | 883 | 946 | 985 |
| Gisborne District | 537 | 708 | 727 |
| West Coast | 447 | 486 | 531 |