| 2010 | 2011 | 2012 | |
|---|---|---|---|
| Waikato | 15 825 | 12 562 | 13 905 |
| Canterbury | 14 421 | 12 149 | 11 386 |
| Auckland | 6 834 | 6 647 | 5 800 |
| Manawatu-Wanganui | 4 675 | 4 987 | 5 264 |
| Southland | 2 189 | 3 468 | |
| Northland | 2 718 | 3 026 | |
| Hawke's Bay | 2 693 | 2 935 | 2 818 |
| Otago | 3 184 | 2 788 | 2 662 |
| Wellington | 2 070 | ||
| Taranaki | 2 178 | 1 896 | |
| Bay of Plenty | 2 085 | 1 890 | 1 761 |
| Gisborne District | 1 644 | 1 168 | 1 193 |
| Tasman District | 868 | 706 | |
| Marlborough District | 608 | 585 | 638 |
| West Coast | 284 | 288 | 215 |
| Nelson City | 107 | 105 | 53 |