| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
3.5%
|
| 20 | 1 |
1.8%
|
|
| 40 | 2 |
3.5%
|
|
| 50 | 4 |
7%
|
|
| 55 | 1 |
1.8%
|
|
| 60 | 8 |
14%
|
|
| 65 | 1 |
1.8%
|
|
| 70 | 7 |
12.3%
|
|
| 75 | 1 |
1.8%
|
|
| 80 | 8 |
14%
|
|
| 85 | 1 |
1.8%
|
|
| 90 | 5 |
8.8%
|
|
| 93 | 1 |
1.8%
|
|
| 95 | 1 |
1.8%
|
|
| 99 | 1 |
1.8%
|
|
| 100 | 13 |
22.8%
|
|
| Sysmiss | 93 |