| 2005 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|
| Auckland | 1,284 | 1,205 | 1,027 | 899 |
| Wellington | 472 | 443 | 357 | 307 |
| Canterbury | 488 | 409 | 302 | 277 |
| Waikato | 335 | 305 | 276 | 231 |
| Bay of Plenty | 174 | 185 | 162 | 143 |
| Manawatu-Wanganui | 220 | 172 | 154 | 125 |
| Northland | 125 | 162 | 107 | 110 |
| Otago | 170 | 140 | 98 | 100 |
| Hawke's Bay | 124 | 112 | 99 | 98 |
| Taranaki | 85 | 89 | 68 | 63 |
| Nelson City | 59 | 49 | 56 | 39 |
| Southland | 55 | 47 | 54 | 34 |
| Marlborough District | 40 | 27 | 29 | 33 |
| Gisborne District | 24 | 46 | 41 | 29 |
| West Coast | 29 | 34 | 23 | 24 |
| Tasman District | 38 | 38 | 26 | 23 |