| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
9.2%
|
| 25 | 1 |
1.5%
|
|
| 30 | 4 |
6.2%
|
|
| 33 | 2 |
3.1%
|
|
| 35 | 1 |
1.5%
|
|
| 50 | 7 |
10.8%
|
|
| 60 | 10 |
15.4%
|
|
| 65 | 1 |
1.5%
|
|
| 70 | 5 |
7.7%
|
|
| 75 | 4 |
6.2%
|
|
| 80 | 6 |
9.2%
|
|
| 85 | 6 |
9.2%
|
|
| 90 | 7 |
10.8%
|
|
| 95 | 1 |
1.5%
|
|
| 100 | 4 |
6.2%
|
|
| Sysmiss | 296 |