| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
27.4%
|
| 0 | 2 |
2.4%
|
|
| 7 | 1 |
1.2%
|
|
| 12 | 1 |
1.2%
|
|
| 38 | 1 |
1.2%
|
|
| 40 | 3 |
3.6%
|
|
| 50 | 1 |
1.2%
|
|
| 60 | 1 |
1.2%
|
|
| 70 | 3 |
3.6%
|
|
| 75 | 1 |
1.2%
|
|
| 80 | 4 |
4.8%
|
|
| 85 | 1 |
1.2%
|
|
| 90 | 4 |
4.8%
|
|
| 99 | 3 |
3.6%
|
|
| 100 | 35 |
41.7%
|
|
| Sysmiss | 73 |