| Value | Category | Cases | |
|---|---|---|---|
| 1 | Earth | 2321 |
73.1%
|
| 2 | Wood | 133 |
4.2%
|
| 3 | Stone / brick | 12 |
0.4%
|
| 4 | Concrete | 698 |
22%
|
| 5 | Other (specify) | 12 |
0.4%
|
| 777 | Respondent does not want to respond | 0 |
0%
|
| 888 | Not applicable | 0 |
0%
|
| 999 | Don't know | 0 |
0%
|