| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
4.3%
|
| 2 | 1 |
1.4%
|
|
| 10 | 3 |
4.3%
|
|
| 12 | 1 |
1.4%
|
|
| 15 | 2 |
2.9%
|
|
| 20 | 6 |
8.6%
|
|
| 25 | 4 |
5.7%
|
|
| 30 | 7 |
10%
|
|
| 33 | 1 |
1.4%
|
|
| 34 | 1 |
1.4%
|
|
| 35 | 2 |
2.9%
|
|
| 39 | 1 |
1.4%
|
|
| 40 | 7 |
10%
|
|
| 45 | 1 |
1.4%
|
|
| 48 | 1 |
1.4%
|
|
| 49 | 3 |
4.3%
|
|
| 50 | 14 |
20%
|
|
| 51 | 1 |
1.4%
|
|
| 60 | 4 |
5.7%
|
|
| 80 | 1 |
1.4%
|
|
| 90 | 2 |
2.9%
|
|
| 100 | 4 |
5.7%
|
|
| Sysmiss | 50 |