| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
4.5%
|
| 0 | 26 |
9.8%
|
|
| 1 | 4 |
1.5%
|
|
| 2 | 12 |
4.5%
|
|
| 3 | 3 |
1.1%
|
|
| 5 | 26 |
9.8%
|
|
| 8 | 2 |
0.8%
|
|
| 10 | 41 |
15.5%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 25 |
9.4%
|
|
| 16 | 1 |
0.4%
|
|
| 20 | 22 |
8.3%
|
|
| 24 | 2 |
0.8%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 50 |
18.9%
|
|
| 32 | 1 |
0.4%
|
|
| 35 | 2 |
0.8%
|
|
| 40 | 10 |
3.8%
|
|
| 45 | 10 |
3.8%
|
|
| 50 | 10 |
3.8%
|
|
| 55 | 2 |
0.8%
|
|
| 56 | 2 |
0.8%
|
|
| Sysmiss | 2432 |