| Value | Category | Cases | |
|---|---|---|---|
| 1 | cement/slake | 1377 |
28%
|
| 2 | tiles | 3372 |
68.7%
|
| 3 | concrete sheet | 28 |
0.6%
|
| 4 | durable wood | 7 |
0.1%
|
| 5 | parquet | 20 |
0.4%
|
| 6 | sand | 12 |
0.2%
|
| 7 | other | 57 |
1.2%
|
| 9 | not stated | 37 |
0.8%
|