| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
30.4%
|
| 5 | 3 |
5.4%
|
|
| 7 | 1 |
1.8%
|
|
| 10 | 6 |
10.7%
|
|
| 12 | 1 |
1.8%
|
|
| 15 | 3 |
5.4%
|
|
| 20 | 3 |
5.4%
|
|
| 25 | 3 |
5.4%
|
|
| 30 | 3 |
5.4%
|
|
| 35 | 1 |
1.8%
|
|
| 45 | 2 |
3.6%
|
|
| 50 | 6 |
10.7%
|
|
| 55 | 1 |
1.8%
|
|
| 70 | 2 |
3.6%
|
|
| 75 | 3 |
5.4%
|
|
| 80 | 1 |
1.8%
|
|
| Sysmiss | 92 |