| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
3.8%
|
| 0 | 5 |
0.8%
|
|
| 20 | 2 |
0.3%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 11 |
1.8%
|
|
| 40 | 21 |
3.5%
|
|
| 45 | 3 |
0.5%
|
|
| 50 | 35 |
5.9%
|
|
| 60 | 34 |
5.7%
|
|
| 70 | 17 |
2.8%
|
|
| 75 | 2 |
0.3%
|
|
| 80 | 25 |
4.2%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 11 |
1.8%
|
|
| 93 | 1 |
0.2%
|
|
| 95 | 1 |
0.2%
|
|
| 96 | 1 |
0.2%
|
|
| 100 | 404 |
67.6%
|