| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 45 |
28.1%
|
| 0 | 31 |
19.4%
|
|
| 1 | 23 |
14.4%
|
|
| 2 | 19 |
11.9%
|
|
| 3 | 9 |
5.6%
|
|
| 4 | 10 |
6.3%
|
|
| 5 | 4 |
2.5%
|
|
| 6 | 5 |
3.1%
|
|
| 7 | 1 |
0.6%
|
|
| 8 | 3 |
1.9%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 3 |
1.9%
|
|
| 11 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 25 | 1 |
0.6%
|
|
| 26 | 1 |
0.6%
|
|
| 30 | 1 |
0.6%
|
|
| 274 | 1 |
0.6%
|
|
| Sysmiss | 192 |