| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
10.2%
|
| 0 | 1 |
0.8%
|
|
| 20 | 1 |
0.8%
|
|
| 30 | 2 |
1.6%
|
|
| 33 | 1 |
0.8%
|
|
| 40 | 3 |
2.4%
|
|
| 45 | 1 |
0.8%
|
|
| 50 | 5 |
3.9%
|
|
| 60 | 4 |
3.1%
|
|
| 65 | 3 |
2.4%
|
|
| 70 | 8 |
6.3%
|
|
| 75 | 6 |
4.7%
|
|
| 80 | 18 |
14.2%
|
|
| 85 | 3 |
2.4%
|
|
| 90 | 20 |
15.7%
|
|
| 92 | 1 |
0.8%
|
|
| 95 | 10 |
7.9%
|
|
| 98 | 2 |
1.6%
|
|
| 100 | 25 |
19.7%
|
|
| Sysmiss | 234 |