| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 51 |
14.5%
|
| 1 | 83 |
23.6%
|
|
| 2 | 67 |
19.1%
|
|
| 3 | 27 |
7.7%
|
|
| 4 | 23 |
6.6%
|
|
| 5 | 44 |
12.5%
|
|
| 6 | 6 |
1.7%
|
|
| 7 | 2 |
0.6%
|
|
| 8 | 4 |
1.1%
|
|
| 10 | 19 |
5.4%
|
|
| 12 | 2 |
0.6%
|
|
| 15 | 10 |
2.8%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 5 |
1.4%
|
|
| 24 | 1 |
0.3%
|
|
| 30 | 3 |
0.9%
|
|
| 50 | 1 |
0.3%
|
|
| 96 | 1 |
0.3%
|
|
| 400 | 1 |
0.3%
|
|
| Sysmiss | 230 |