Year based at June 30
| 2005 | 2011 | 2012 | |
|---|---|---|---|
| Hawke's Bay | 376 | 273 | 321 |
| Auckland | 270 | 244 | 250 |
| Canterbury | 514 | 340 | 240 |
| Wellington | 284 | 222 | 216 |
| Northland | 205 | 201 | |
| Marlborough District | 322 | 150 | 134 |
| Tasman District | 122 | 134 | 129 |
| Waikato | 59 | 55 | |
| Manawatu-Wanganui | 44 | 43 | |
| Bay of Plenty | 42 | ||
| Otago | 38 | 22 | |
| West Coast | 0 | ||
| Nelson City | 0 | ||
| Southland | 0 | ||
| Gisborne District | 2 |