| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.4%
|
| 4 | 2 |
1.4%
|
|
| 5 | 12 |
8.4%
|
|
| 10 | 7 |
4.9%
|
|
| 15 | 11 |
7.7%
|
|
| 20 | 23 |
16.1%
|
|
| 25 | 6 |
4.2%
|
|
| 30 | 17 |
11.9%
|
|
| 35 | 3 |
2.1%
|
|
| 40 | 11 |
7.7%
|
|
| 42 | 1 |
0.7%
|
|
| 45 | 5 |
3.5%
|
|
| 50 | 10 |
7%
|
|
| 60 | 4 |
2.8%
|
|
| 70 | 5 |
3.5%
|
|
| 75 | 1 |
0.7%
|
|
| 80 | 4 |
2.8%
|
|
| 90 | 3 |
2.1%
|
|
| 100 | 16 |
11.2%
|
|
| Sysmiss | 66 |