| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
8.9%
|
| 3 | 1 |
0.7%
|
|
| 5 | 1 |
0.7%
|
|
| 7 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 20 | 9 |
6.7%
|
|
| 25 | 2 |
1.5%
|
|
| 30 | 4 |
3%
|
|
| 35 | 1 |
0.7%
|
|
| 40 | 2 |
1.5%
|
|
| 50 | 9 |
6.7%
|
|
| 60 | 11 |
8.1%
|
|
| 65 | 4 |
3%
|
|
| 70 | 16 |
11.9%
|
|
| 75 | 6 |
4.4%
|
|
| 78 | 1 |
0.7%
|
|
| 80 | 10 |
7.4%
|
|
| 90 | 13 |
9.6%
|
|
| 95 | 1 |
0.7%
|
|
| 98 | 1 |
0.7%
|
|
| 99 | 2 |
1.5%
|
|
| 100 | 27 |
20%
|
|
| Sysmiss | 14 |