| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing | 0 |
0%
|
| -8 | Uncodeabel | 0 |
0%
|
| -7 | N/a | 0 |
0%
|
| 0 | None, i dry it on the ground | 1267 |
33.5%
|
| 1 | Tarmac road | 268 |
7.1%
|
| 2 | Bags, tarpaulins, mats | 1167 |
30.8%
|
| 3 | Concrete drying floor | 386 |
10.2%
|
| 4 | Other | 695 |
18.4%
|
| Sysmiss | 1210 |