| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
5.3%
|
| 10 | 5 |
3.8%
|
|
| 12 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 20 | 7 |
5.3%
|
|
| 25 | 2 |
1.5%
|
|
| 30 | 9 |
6.8%
|
|
| 35 | 4 |
3%
|
|
| 40 | 10 |
7.5%
|
|
| 45 | 2 |
1.5%
|
|
| 50 | 20 |
15%
|
|
| 55 | 1 |
0.8%
|
|
| 59 | 1 |
0.8%
|
|
| 60 | 15 |
11.3%
|
|
| 65 | 4 |
3%
|
|
| 70 | 14 |
10.5%
|
|
| 75 | 4 |
3%
|
|
| 77 | 1 |
0.8%
|
|
| 80 | 8 |
6%
|
|
| 85 | 1 |
0.8%
|
|
| 86 | 1 |
0.8%
|
|
| 90 | 2 |
1.5%
|
|
| 95 | 2 |
1.5%
|
|
| 100 | 11 |
8.3%
|
|
| Sysmiss | 178 |