| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
21.1%
|
| 0 | 56 |
36.8%
|
|
| 1 | 13 |
8.6%
|
|
| 2 | 9 |
5.9%
|
|
| 3 | 8 |
5.3%
|
|
| 4 | 5 |
3.3%
|
|
| 5 | 9 |
5.9%
|
|
| 6 | 2 |
1.3%
|
|
| 8 | 2 |
1.3%
|
|
| 9 | 1 |
0.7%
|
|
| 10 | 2 |
1.3%
|
|
| 15 | 6 |
3.9%
|
|
| 20 | 2 |
1.3%
|
|
| 21 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 35 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 100 | 1 |
0.7%
|
|
| Sysmiss | 168 |