| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not used very often, or used for a small part of the area irrigated | 19 |
2.4%
|
| 2 | Used for a significant part of the area irrigated | 48 |
6%
|
| 3 | Main irrigation source used | 735 |
91.6%
|
| Sysmiss | 4853 |