| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
2.2%
|
| 0 | 2 |
0.9%
|
|
| 1 | 1 |
0.4%
|
|
| 2 | 2 |
0.9%
|
|
| 10 | 11 |
4.7%
|
|
| 20 | 9 |
3.9%
|
|
| 25 | 2 |
0.9%
|
|
| 30 | 10 |
4.3%
|
|
| 33 | 1 |
0.4%
|
|
| 40 | 7 |
3%
|
|
| 50 | 39 |
16.8%
|
|
| 55 | 2 |
0.9%
|
|
| 60 | 1 |
0.4%
|
|
| 70 | 7 |
3%
|
|
| 80 | 14 |
6%
|
|
| 90 | 2 |
0.9%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 116 |
50%
|
|
| Sysmiss | 39 |