| Value | Category | Cases | |
|---|---|---|---|
| 1 | Waterway(river,lake) | 3 |
10%
|
| 2 | Well | 18 |
60%
|
| 3 | Drilling | 3 |
10%
|
| 4 | Dam,water retention | 0 |
0%
|
| 5 | Other | 0 |
0%
|
| 9 | 6 |
20%
|
|
| Sysmiss | 6634 |