| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
2.9%
|
| 2 | 1 |
2.9%
|
|
| 6 | 1 |
2.9%
|
|
| 8 | 1 |
2.9%
|
|
| 10 | 4 |
11.8%
|
|
| 15 | 3 |
8.8%
|
|
| 20 | 6 |
17.6%
|
|
| 25 | 1 |
2.9%
|
|
| 30 | 4 |
11.8%
|
|
| 40 | 1 |
2.9%
|
|
| 45 | 1 |
2.9%
|
|
| 50 | 4 |
11.8%
|
|
| 60 | 2 |
5.9%
|
|
| 75 | 2 |
5.9%
|
|
| 90 | 1 |
2.9%
|
|
| 100 | 1 |
2.9%
|
|
| Sysmiss | 926 |