| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
32.4%
|
| 1 | 8 |
23.5%
|
|
| 2 | 3 |
8.8%
|
|
| 3 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 5 | 6 |
17.6%
|
|
| 8 | 1 |
2.9%
|
|
| 10 | 2 |
5.9%
|
|
| 12 | 1 |
2.9%
|
|
| Sysmiss | 2035 |