| Value | Category | Cases | |
|---|---|---|---|
| 1 | Earth-mud | 904 |
20%
|
| 2 | Wood | 22 |
0.5%
|
| 3 | Stone-Brick | 9 |
0.2%
|
| 4 | Fibre-glass | 7 |
0.2%
|
| 5 | Cement-concrete | 3579 |
79.1%
|
| 6 | Other | 3 |
0.1%
|
| Sysmiss | 4 |