| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.8%
|
| 0 | 4 |
3%
|
|
| 20 | 2 |
1.5%
|
|
| 40 | 2 |
1.5%
|
|
| 50 | 10 |
7.6%
|
|
| 60 | 12 |
9.1%
|
|
| 68 | 1 |
0.8%
|
|
| 70 | 9 |
6.8%
|
|
| 75 | 4 |
3%
|
|
| 80 | 6 |
4.5%
|
|
| 85 | 1 |
0.8%
|
|
| 90 | 4 |
3%
|
|
| 92 | 1 |
0.8%
|
|
| 100 | 75 |
56.8%
|
|
| Sysmiss | 468 |