| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
10.3%
|
| 3 | 1 |
2.6%
|
|
| 5 | 2 |
5.1%
|
|
| 10 | 6 |
15.4%
|
|
| 12 | 1 |
2.6%
|
|
| 14 | 1 |
2.6%
|
|
| 20 | 4 |
10.3%
|
|
| 22 | 1 |
2.6%
|
|
| 30 | 7 |
17.9%
|
|
| 33 | 1 |
2.6%
|
|
| 45 | 2 |
5.1%
|
|
| 49 | 1 |
2.6%
|
|
| 50 | 3 |
7.7%
|
|
| 51 | 1 |
2.6%
|
|
| 99 | 1 |
2.6%
|
|
| 100 | 3 |
7.7%
|
|
| Sysmiss | 326 |