| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
25.3%
|
| 1 | 2 |
2.5%
|
|
| 2 | 9 |
11.4%
|
|
| 3 | 1 |
1.3%
|
|
| 5 | 2 |
2.5%
|
|
| 6 | 1 |
1.3%
|
|
| 10 | 5 |
6.3%
|
|
| 20 | 5 |
6.3%
|
|
| 30 | 4 |
5.1%
|
|
| 33 | 1 |
1.3%
|
|
| 40 | 1 |
1.3%
|
|
| 50 | 4 |
5.1%
|
|
| 51 | 1 |
1.3%
|
|
| 55 | 1 |
1.3%
|
|
| 70 | 1 |
1.3%
|
|
| 78 | 1 |
1.3%
|
|
| 80 | 1 |
1.3%
|
|
| 83 | 1 |
1.3%
|
|
| 98 | 1 |
1.3%
|
|
| 100 | 17 |
21.5%
|
|
| Sysmiss | 273 |