| Value | Category | Cases | |
|---|---|---|---|
| 1 | cours d'eau (fleuve, lac, ...) | 3 |
10%
|
| 2 | puits | 18 |
60%
|
| 3 | forage | 3 |
10%
|
| 4 | barrage, retenue d'eau | 0 |
0%
|
| 5 | autre | 0 |
0%
|
| 9 | manquant | 6 |
20%
|
| Sysmiss | 6634 |