| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 36 |
35%
|
| 6 | 1 |
1%
|
|
| 25 | 1 |
1%
|
|
| 30 | 2 |
1.9%
|
|
| 50 | 1 |
1%
|
|
| 58 | 1 |
1%
|
|
| 60 | 6 |
5.8%
|
|
| 65 | 1 |
1%
|
|
| 70 | 5 |
4.9%
|
|
| 75 | 2 |
1.9%
|
|
| 80 | 6 |
5.8%
|
|
| 85 | 2 |
1.9%
|
|
| 90 | 6 |
5.8%
|
|
| 95 | 1 |
1%
|
|
| 100 | 32 |
31.1%
|
|
| Sysmiss | 262 |