| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
17.3%
|
| 1 | 2 |
1.4%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 1 |
0.7%
|
|
| 10 | 6 |
4.3%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 1 |
0.7%
|
|
| 13 | 2 |
1.4%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 8 |
5.8%
|
|
| 25 | 11 |
7.9%
|
|
| 28 | 1 |
0.7%
|
|
| 31 | 1 |
0.7%
|
|
| 33 | 6 |
4.3%
|
|
| 35 | 4 |
2.9%
|
|
| 40 | 6 |
4.3%
|
|
| 45 | 2 |
1.4%
|
|
| 48 | 1 |
0.7%
|
|
| 50 | 28 |
20.1%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 4 |
2.9%
|
|
| 75 | 1 |
0.7%
|
|
| 100 | 26 |
18.7%
|
|
| Sysmiss | 214 |