| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
16.9%
|
| 0 | 25 |
13.2%
|
|
| 8 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| 25 | 4 |
2.1%
|
|
| 30 | 2 |
1.1%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 2 |
1.1%
|
|
| 50 | 5 |
2.6%
|
|
| 60 | 3 |
1.6%
|
|
| 70 | 1 |
0.5%
|
|
| 75 | 1 |
0.5%
|
|
| 80 | 4 |
2.1%
|
|
| 85 | 1 |
0.5%
|
|
| 90 | 1 |
0.5%
|
|
| 100 | 105 |
55.6%
|
|
| Sysmiss | 809 |