| Value | Category | Cases | |
|---|---|---|---|
| 21 | Wood planks | 838 |
66.6%
|
| 31 | Parquet or polished wood | 29 |
2.3%
|
| 32 | Concrete, vinyl/ asphalt strips | 149 |
11.8%
|
| 33 | Ceramic tiles | 8 |
0.6%
|
| 34 | Cement | 232 |
18.4%
|
| 96 | Other (specify) | 3 |
0.2%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1391 |