| Value | Category | Cases | |
|---|---|---|---|
| -9 | dk | 4 |
5.6%
|
| -7 | does not apply | 0 |
0%
|
| 1 | very poor | 9 |
12.7%
|
| 2 | slightly poor | 10 |
14.1%
|
| 3 | fairly good | 46 |
64.8%
|
| 4 | very good | 2 |
2.8%
|
| Sysmiss | 1361 |