| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
11.4%
|
| 10 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 20 | 3 |
1.7%
|
|
| 23 | 1 |
0.6%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 5 |
2.9%
|
|
| 35 | 1 |
0.6%
|
|
| 40 | 4 |
2.3%
|
|
| 45 | 1 |
0.6%
|
|
| 48 | 1 |
0.6%
|
|
| 50 | 11 |
6.3%
|
|
| 55 | 3 |
1.7%
|
|
| 60 | 22 |
12.6%
|
|
| 65 | 4 |
2.3%
|
|
| 67 | 1 |
0.6%
|
|
| 68 | 1 |
0.6%
|
|
| 70 | 24 |
13.7%
|
|
| 72 | 1 |
0.6%
|
|
| 73 | 1 |
0.6%
|
|
| 75 | 5 |
2.9%
|
|
| 78 | 1 |
0.6%
|
|
| 80 | 18 |
10.3%
|
|
| 85 | 5 |
2.9%
|
|
| 90 | 10 |
5.7%
|
|
| 95 | 4 |
2.3%
|
|
| 100 | 25 |
14.3%
|
|
| Sysmiss | 426 |