| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
39.3%
|
| 1 | 1 |
1.6%
|
|
| 2 | 9 |
14.8%
|
|
| 5 | 8 |
13.1%
|
|
| 8 | 1 |
1.6%
|
|
| 10 | 7 |
11.5%
|
|
| 15 | 2 |
3.3%
|
|
| 20 | 2 |
3.3%
|
|
| 30 | 2 |
3.3%
|
|
| 35 | 1 |
1.6%
|
|
| 40 | 1 |
1.6%
|
|
| 50 | 2 |
3.3%
|
|
| 70 | 1 |
1.6%
|
|
| Sysmiss | 88 |