| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.5%
|
| 1 | 2 |
2.5%
|
|
| 10 | 1 |
1.3%
|
|
| 15 | 1 |
1.3%
|
|
| 20 | 9 |
11.3%
|
|
| 25 | 2 |
2.5%
|
|
| 29 | 1 |
1.3%
|
|
| 30 | 3 |
3.8%
|
|
| 40 | 5 |
6.3%
|
|
| 42 | 1 |
1.3%
|
|
| 45 | 1 |
1.3%
|
|
| 50 | 9 |
11.3%
|
|
| 60 | 6 |
7.5%
|
|
| 67 | 1 |
1.3%
|
|
| 70 | 3 |
3.8%
|
|
| 80 | 1 |
1.3%
|
|
| 90 | 3 |
3.8%
|
|
| 100 | 29 |
36.3%
|
|
| Sysmiss | 76 |