| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 8 |
4.6%
|
|
| 1 | 1 |
0.6%
|
|
| 10 | 1 |
0.6%
|
|
| 20 | 4 |
2.3%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 2 |
1.2%
|
|
| 40 | 2 |
1.2%
|
|
| 50 | 14 |
8.1%
|
|
| 60 | 4 |
2.3%
|
|
| 64 | 1 |
0.6%
|
|
| 70 | 8 |
4.6%
|
|
| 75 | 1 |
0.6%
|
|
| 80 | 5 |
2.9%
|
|
| 90 | 2 |
1.2%
|
|
| 100 | 119 |
68.8%
|
|
| Sysmiss | 73 |