| Value | Category | Cases | |
|---|---|---|---|
| 1 | Surface | 0 |
0%
|
| 2 | Drip | 26 |
0%
|
| 3 | Sprinklers | 1 |
0%
|
| 9 | not stated | 1 |
0%
|
| Sysmiss | 197412 |