| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.6%
|
| 0 | 9 |
6.5%
|
|
| 7 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 20 | 3 |
2.2%
|
|
| 30 | 2 |
1.4%
|
|
| 35 | 1 |
0.7%
|
|
| 50 | 6 |
4.3%
|
|
| 60 | 4 |
2.9%
|
|
| 70 | 3 |
2.2%
|
|
| 75 | 1 |
0.7%
|
|
| 79 | 1 |
0.7%
|
|
| 80 | 3 |
2.2%
|
|
| 85 | 1 |
0.7%
|
|
| 90 | 5 |
3.6%
|
|
| 95 | 1 |
0.7%
|
|
| 100 | 91 |
65.9%
|
|
| Sysmiss | 222 |