| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 50 |
25.1%
|
| 1 | 1 |
0.5%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 2 |
1%
|
|
| 8 | 1 |
0.5%
|
|
| 15 | 1 |
0.5%
|
|
| 24 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 50 | 19 |
9.5%
|
|
| 60 | 10 |
5%
|
|
| 65 | 1 |
0.5%
|
|
| 70 | 18 |
9%
|
|
| 75 | 2 |
1%
|
|
| 80 | 35 |
17.6%
|
|
| 85 | 3 |
1.5%
|
|
| 90 | 15 |
7.5%
|
|
| 95 | 1 |
0.5%
|
|
| 97 | 1 |
0.5%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 34 |
17.1%
|
|
| Sysmiss | 72 |