| Value | Category | Cases | |
|---|---|---|---|
| 1 | Major | 397 |
18.6%
|
| 2 | Minor | 567 |
26.6%
|
| 3 | Mahaweli | 27 |
1.3%
|
| 4 | Rainfed | 1141 |
53.5%
|
| Sysmiss | 68 |