| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 2 |
1.3%
|
| 0 | Below required | 17 |
11.2%
|
| 1 | As required | 121 |
79.6%
|
| 2 | Above required | 12 |
7.9%
|
| Sysmiss | 359 |