| Value | Category | Cases | |
|---|---|---|---|
| 1 | Major | 377 |
17.5%
|
| 2 | Minor | 630 |
29.2%
|
| 3 | Mahaweli | 28 |
1.3%
|
| 4 | Rainfed | 1119 |
51.9%
|
| Sysmiss | 47 |