| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
17.4%
|
| 1 | 9 |
9.8%
|
|
| 2 | 5 |
5.4%
|
|
| 3 | 1 |
1.1%
|
|
| 5 | 3 |
3.3%
|
|
| 6 | 1 |
1.1%
|
|
| 10 | 15 |
16.3%
|
|
| 15 | 6 |
6.5%
|
|
| 20 | 10 |
10.9%
|
|
| 25 | 2 |
2.2%
|
|
| 30 | 3 |
3.3%
|
|
| 40 | 3 |
3.3%
|
|
| 50 | 7 |
7.6%
|
|
| 60 | 1 |
1.1%
|
|
| 70 | 2 |
2.2%
|
|
| 80 | 1 |
1.1%
|
|
| 100 | 7 |
7.6%
|
|
| Sysmiss | 506 |