| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cement | 6714 |
41.2%
|
| 2 | Tiles or ceramic | 9522 |
58.4%
|
| 3 | Steel/Zinc | 11 |
0.1%
|
| 4 | Wooden | 0 |
0%
|
| 97 | Other | 63 |
0.4%
|
| Sysmiss | 120 |