| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
7.2%
|
| 0 | 17 |
13.6%
|
|
| 1 | 5 |
4%
|
|
| 2 | 1 |
0.8%
|
|
| 10 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 24 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 33 | 1 |
0.8%
|
|
| 34 | 1 |
0.8%
|
|
| 35 | 1 |
0.8%
|
|
| 38 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 45 | 1 |
0.8%
|
|
| 50 | 12 |
9.6%
|
|
| 66 | 3 |
2.4%
|
|
| 75 | 1 |
0.8%
|
|
| 80 | 1 |
0.8%
|
|
| 100 | 66 |
52.8%
|
|
| Sysmiss | 456 |