| Area (ha) | VS (Increase %) | ||
| Year | |||
| 1990 | 2013 | ||
| Farm 1 | 150.19 | 224.1 | 49.21 |
| Farm 2 | 143.55 | 186.58 | 29.97 |
| Farm 3 | 110.19 | 296.28 | 168.88 |
| Farm 4 | 91.25 | 138.04 | 51.27 |
| Farm 5 | 97.43 | 138.21 | 41.85 |
| Farm 6 | 155.31 | 238.07 | 53.28 |
| Total | 747.92 | 1221.28 | 63.29 |