| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
6.5%
|
| 30 | 1 |
0.9%
|
|
| 35 | 2 |
1.9%
|
|
| 40 | 1 |
0.9%
|
|
| 50 | 5 |
4.7%
|
|
| 55 | 1 |
0.9%
|
|
| 60 | 13 |
12.1%
|
|
| 65 | 5 |
4.7%
|
|
| 70 | 22 |
20.6%
|
|
| 75 | 7 |
6.5%
|
|
| 80 | 20 |
18.7%
|
|
| 85 | 4 |
3.7%
|
|
| 90 | 6 |
5.6%
|
|
| 92 | 1 |
0.9%
|
|
| 95 | 1 |
0.9%
|
|
| 100 | 11 |
10.3%
|
|
| Sysmiss | 271 |