| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 10 | 1 |
0.4%
|
|
| 50 | 3 |
1.3%
|
|
| 60 | 2 |
0.9%
|
|
| 70 | 13 |
5.6%
|
|
| 75 | 1 |
0.4%
|
|
| 80 | 12 |
5.1%
|
|
| 82 | 1 |
0.4%
|
|
| 85 | 1 |
0.4%
|
|
| 90 | 20 |
8.5%
|
|
| 93 | 1 |
0.4%
|
|
| 95 | 10 |
4.3%
|
|
| 98 | 6 |
2.6%
|
|
| 100 | 163 |
69.7%
|
|
| Sysmiss | 12 |