| Value |
Category |
| 1,2 |
|
| cement |
|
| flakeboard |
|
| ground |
|
| heating floor |
|
| mud |
|
| mud, sand |
|
| parquet |
|
| parquet, thin board |
|
| rubber |
|
| sand |
|
| thin board |
|
| yellow mud |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.