| Value | Category | Cases | |
|---|---|---|---|
| -9 | missing | 0 |
0%
|
| -8 | dont know | 0 |
0%
|
| -7 | na | 0 |
0%
|
| 1 | mud./earth | 67 |
33.7%
|
| 2 | tiles | 1 |
0.5%
|
| 3 | cement | 131 |
65.8%
|
| 4 | other specify | 0 |
0%
|