| Area | Value |
|---|---|
| 1. Lachlan | 0.0191 |
| 2. Bourke | 0.0145 |
| 3. Brewarrina | 0.0133 |
| 4. Warren | 0.0126 |
| 5. Cabonne | 0.0119 |
| 6. Narromine | 0.0113 |
| 7. Warrumbungle Shire | 0.0105 |
| 8. Gilgandra | 0.00995 |
| 9. Dubbo Regional | 0.00949 |
| 10. Walgett | 0.0093 |
| 11. Broken Hill | 0.00637 |
| 12. Central Darling | 0.00521 |