| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1 | A school? | 3 |
0.1%
|
| 4 | An irrigation system? | 1 |
0%
|
| 5 | A religious building or monument? | 2 |
0.1%
|
| 6 | Something else | 2 |
0.1%
|
| Sysmiss | 2056 |