| Value | Category | Cases | |
|---|---|---|---|
| 1 | Clean | 1159 |
53.1%
|
| 2 | Dirty | 850 |
39%
|
| 3 | Dusty | 158 |
7.2%
|
| 4 | Could not observe | 14 |
0.6%
|
| Sysmiss | 67 |