| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
19.8%
|
| 23 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 70 | 3 |
2.3%
|
|
| 80 | 32 |
24.4%
|
|
| 85 | 2 |
1.5%
|
|
| 88 | 1 |
0.8%
|
|
| 90 | 42 |
32.1%
|
|
| 91 | 1 |
0.8%
|
|
| 92 | 6 |
4.6%
|
|
| 94 | 4 |
3.1%
|
|
| 95 | 6 |
4.6%
|
|
| 97 | 1 |
0.8%
|
|
| 100 | 4 |
3.1%
|
|
| Sysmiss | 257 |