| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | Very poor | 1 |
2.9%
|
| 2 | Poor | 1 |
2.9%
|
| 3 | Good | 19 |
54.3%
|
| 4 | Very good | 14 |
40%
|
| Sysmiss | 476 |