| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
4.7%
|
| 1 | 66 |
26.1%
|
|
| 2 | 35 |
13.8%
|
|
| 3 | 3 |
1.2%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 32 |
12.6%
|
|
| 6 | 1 |
0.4%
|
|
| 8 | 3 |
1.2%
|
|
| 10 | 34 |
13.4%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 60 |
23.7%
|
|
| 30 | 4 |
1.6%
|
|
| 100 | 1 |
0.4%
|
|
| Sysmiss | 1047 |