| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.3%
|
| 0 | 7 |
4.5%
|
|
| 5 | 2 |
1.3%
|
|
| 10 | 2 |
1.3%
|
|
| 20 | 8 |
5.1%
|
|
| 30 | 5 |
3.2%
|
|
| 40 | 3 |
1.9%
|
|
| 50 | 23 |
14.6%
|
|
| 60 | 14 |
8.9%
|
|
| 65 | 1 |
0.6%
|
|
| 70 | 17 |
10.8%
|
|
| 78 | 1 |
0.6%
|
|
| 80 | 14 |
8.9%
|
|
| 86 | 1 |
0.6%
|
|
| 90 | 5 |
3.2%
|
|
| 95 | 3 |
1.9%
|
|
| 100 | 49 |
31.2%
|