| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
14.9%
|
| 0 | 5 |
10.6%
|
|
| 1 | 4 |
8.5%
|
|
| 2 | 10 |
21.3%
|
|
| 3 | 4 |
8.5%
|
|
| 4 | 3 |
6.4%
|
|
| 5 | 1 |
2.1%
|
|
| 6 | 2 |
4.3%
|
|
| 7 | 1 |
2.1%
|
|
| 8 | 1 |
2.1%
|
|
| 9 | 1 |
2.1%
|
|
| 10 | 1 |
2.1%
|
|
| 14 | 1 |
2.1%
|
|
| 15 | 3 |
6.4%
|
|
| 17 | 1 |
2.1%
|
|
| 19 | 1 |
2.1%
|
|
| 50 | 1 |
2.1%
|
|
| Sysmiss | 102 |