| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 15 | 1 |
1.4%
|
|
| 20 | 1 |
1.4%
|
|
| 30 | 1 |
1.4%
|
|
| 40 | 1 |
1.4%
|
|
| 50 | 9 |
13%
|
|
| 51 | 1 |
1.4%
|
|
| 60 | 13 |
18.8%
|
|
| 65 | 2 |
2.9%
|
|
| 70 | 11 |
15.9%
|
|
| 75 | 1 |
1.4%
|
|
| 80 | 11 |
15.9%
|
|
| 90 | 11 |
15.9%
|
|
| 95 | 2 |
2.9%
|
|
| 99 | 1 |
1.4%
|
|
| 100 | 3 |
4.3%
|
|
| Sysmiss | 86 |