| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 60 |
27.4%
|
| 15 | 2 |
0.9%
|
|
| 20 | 6 |
2.7%
|
|
| 30 | 10 |
4.6%
|
|
| 33 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 13 |
5.9%
|
|
| 45 | 3 |
1.4%
|
|
| 50 | 15 |
6.8%
|
|
| 55 | 2 |
0.9%
|
|
| 60 | 17 |
7.8%
|
|
| 70 | 8 |
3.7%
|
|
| 75 | 2 |
0.9%
|
|
| 80 | 31 |
14.2%
|
|
| 85 | 5 |
2.3%
|
|
| 90 | 16 |
7.3%
|
|
| 95 | 4 |
1.8%
|
|
| 100 | 23 |
10.5%
|
|
| Sysmiss | 760 |