| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.3%
|
| -7 | Does not apply (spontaneous) | 28 |
18.4%
|
| 0 | 23 |
15.1%
|
|
| 10 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 3 |
2%
|
|
| 30 | 1 |
0.7%
|
|
| 34 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 45 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| 70 | 1 |
0.7%
|
|
| 94 | 2 |
1.3%
|
|
| 100 | 86 |
56.6%
|
|
| Sysmiss | 90 |