| Year | Number of farmers | Percentage (%) |
| Before 2016 | 5 | 1.41 |
| 2016 | 32 | 9.01 |
| 2017 | 213 | 60 |
| 2018 | 77 | 21.69 |
| 2019 | 12 | 3.66 |
| No response | 15 | 4.23 |