| Value | Category | Cases | |
|---|---|---|---|
| 1 | Tile/ceramic | 28923 |
86.5%
|
| 2 | Wood/parquet | 54 |
0.2%
|
| 3 | Cement | 3247 |
9.7%
|
| 4 | Iron/zinc/asbestos/dirt | 1191 |
3.6%
|
| 97 | Other | 18 |
0.1%
|
| Sysmiss | 32221 |