| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 31 |
4.8%
|
| 0 | 13 |
2%
|
|
| 5 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| 13 | 1 |
0.2%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 5 |
0.8%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 13 |
2%
|
|
| 50 | 48 |
7.4%
|
|
| 55 | 2 |
0.3%
|
|
| 60 | 51 |
7.9%
|
|
| 65 | 3 |
0.5%
|
|
| 70 | 47 |
7.2%
|
|
| 75 | 12 |
1.8%
|
|
| 80 | 53 |
8.2%
|
|
| 85 | 5 |
0.8%
|
|
| 90 | 9 |
1.4%
|
|
| 95 | 2 |
0.3%
|
|
| 100 | 350 |
53.9%
|