| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 18 |
13.5%
|
| 0 | 1 |
0.8%
|
|
| 5 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 30 | 4 |
3%
|
|
| 35 | 3 |
2.3%
|
|
| 40 | 2 |
1.5%
|
|
| 45 | 1 |
0.8%
|
|
| 50 | 5 |
3.8%
|
|
| 58 | 1 |
0.8%
|
|
| 60 | 13 |
9.8%
|
|
| 62 | 1 |
0.8%
|
|
| 65 | 4 |
3%
|
|
| 70 | 20 |
15%
|
|
| 75 | 1 |
0.8%
|
|
| 80 | 15 |
11.3%
|
|
| 85 | 1 |
0.8%
|
|
| 90 | 11 |
8.3%
|
|
| 94 | 1 |
0.8%
|
|
| 95 | 3 |
2.3%
|
|
| 98 | 1 |
0.8%
|
|
| 100 | 25 |
18.8%
|
|
| Sysmiss | 227 |