| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 3 |
2%
|
| 0 | Below required | 23 |
15.1%
|
| 1 | As required | 116 |
76.3%
|
| 2 | Above required | 10 |
6.6%
|
| Sysmiss | 359 |