| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 35 |
30.7%
|
| 0 | 27 |
23.7%
|
|
| 2 | 1 |
0.9%
|
|
| 4 | 1 |
0.9%
|
|
| 20 | 1 |
0.9%
|
|
| 30 | 1 |
0.9%
|
|
| 40 | 3 |
2.6%
|
|
| 45 | 1 |
0.9%
|
|
| 50 | 2 |
1.8%
|
|
| 60 | 7 |
6.1%
|
|
| 65 | 1 |
0.9%
|
|
| 68 | 1 |
0.9%
|
|
| 70 | 5 |
4.4%
|
|
| 79 | 1 |
0.9%
|
|
| 80 | 12 |
10.5%
|
|
| 85 | 1 |
0.9%
|
|
| 90 | 6 |
5.3%
|
|
| 95 | 1 |
0.9%
|
|
| 100 | 7 |
6.1%
|
|
| Sysmiss | 35 |