| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
7.1%
|
| 2 | 1 |
1.2%
|
|
| 3 | 1 |
1.2%
|
|
| 10 | 2 |
2.4%
|
|
| 13 | 1 |
1.2%
|
|
| 20 | 1 |
1.2%
|
|
| 25 | 1 |
1.2%
|
|
| 30 | 3 |
3.5%
|
|
| 33 | 2 |
2.4%
|
|
| 35 | 1 |
1.2%
|
|
| 40 | 2 |
2.4%
|
|
| 49 | 2 |
2.4%
|
|
| 50 | 36 |
42.4%
|
|
| 66 | 1 |
1.2%
|
|
| 100 | 25 |
29.4%
|
|
| Sysmiss | 266 |