| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 1 | cement | 701 |
80.6%
|
| 2 | earth/sand | 157 |
18%
|
| 96 | other | 12 |
1.4%
|
| 9999995 | missing:impute | 0 |
0%
|