| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 35 |
15.2%
|
| 1 | 67 |
29.1%
|
|
| 2 | 49 |
21.3%
|
|
| 3 | 26 |
11.3%
|
|
| 4 | 8 |
3.5%
|
|
| 5 | 12 |
5.2%
|
|
| 6 | 3 |
1.3%
|
|
| 7 | 5 |
2.2%
|
|
| 8 | 2 |
0.9%
|
|
| 10 | 10 |
4.3%
|
|
| 12 | 6 |
2.6%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 24 | 1 |
0.4%
|
|
| 30 | 2 |
0.9%
|
|
| 48 | 1 |
0.4%
|
|
| 72 | 1 |
0.4%
|
|
| Sysmiss | 132 |