| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. yes | 557 |
21.3%
|
| 2 | 2. moderately clean – can improve | 1647 |
62.9%
|
| 3 | 355 |
13.6%
|
|
| 4 | 4. no | 60 |
2.3%
|
| Sysmiss | 1919 |