| Value | Category | Cases | |
|---|---|---|---|
| 0 | 107 |
41.6%
|
|
| 1 | Waterway | 6 |
2.3%
|
| 2 | Pool | 20 |
7.8%
|
| 3 | Tap | 25 |
9.7%
|
| 4 | Wells | 26 |
10.1%
|
| 5 | Drilling | 24 |
9.3%
|
| 6 | Dam/Water retention | 6 |
2.3%
|
| 9 | 43 |
16.7%
|
|
| Sysmiss | 12 |