| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 204 |
39.3%
|
|
| 5 | 1 |
0.2%
|
|
| 10 | 10 |
1.9%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 24 |
4.6%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 35 |
6.7%
|
|
| 40 | 23 |
4.4%
|
|
| 45 | 2 |
0.4%
|
|
| 50 | 34 |
6.6%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 20 |
3.9%
|
|
| 70 | 26 |
5%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 35 |
6.7%
|
|
| 85 | 3 |
0.6%
|
|
| 90 | 11 |
2.1%
|
|
| 100 | 87 |
16.8%
|