| Value | Category | Cases | |
|---|---|---|---|
| -88 | Don't know | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Refused to answer | 0 |
0%
|
| 1 | mud/earth/sand | 2795 |
86.6%
|
| 2 | clay | 190 |
5.9%
|
| 3 | cement/concrete | 230 |
7.1%
|
| 4 | other | 12 |
0.4%
|
| 2147483622 | Don't Know | 0 |
0%
|
| 2147483623 | N/A | 0 |
0%
|
| 2147483625 | Refused to answer | 0 |
0%
|
| 2147483645 | Missing | 0 |
0%
|
| 2147483646 | Outrange | 0 |
0%
|
| 11 | .D | 1 |