| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
6.3%
|
| 0 | 7 |
4%
|
|
| 1 | 34 |
19.4%
|
|
| 2 | 11 |
6.3%
|
|
| 4 | 3 |
1.7%
|
|
| 5 | 27 |
15.4%
|
|
| 6 | 2 |
1.1%
|
|
| 7 | 3 |
1.7%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 14 |
8%
|
|
| 15 | 7 |
4%
|
|
| 20 | 17 |
9.7%
|
|
| 30 | 14 |
8%
|
|
| 35 | 1 |
0.6%
|
|
| 40 | 5 |
2.9%
|
|
| 60 | 2 |
1.1%
|
|
| 85 | 1 |
0.6%
|
|
| 100 | 15 |
8.6%
|
|
| Sysmiss | 791 |