| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
14%
|
| 2 | 2 |
4.7%
|
|
| 5 | 1 |
2.3%
|
|
| 8 | 3 |
7%
|
|
| 10 | 1 |
2.3%
|
|
| 12 | 1 |
2.3%
|
|
| 15 | 1 |
2.3%
|
|
| 20 | 3 |
7%
|
|
| 23 | 1 |
2.3%
|
|
| 24 | 2 |
4.7%
|
|
| 25 | 3 |
7%
|
|
| 30 | 1 |
2.3%
|
|
| 35 | 2 |
4.7%
|
|
| 40 | 1 |
2.3%
|
|
| 50 | 6 |
14%
|
|
| 51 | 1 |
2.3%
|
|
| 70 | 1 |
2.3%
|
|
| 86 | 1 |
2.3%
|
|
| 100 | 6 |
14%
|
|
| Sysmiss | 107 |