| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 20 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 40 | 5 |
3.3%
|
|
| 45 | 1 |
0.7%
|
|
| 50 | 7 |
4.6%
|
|
| 60 | 7 |
4.6%
|
|
| 65 | 2 |
1.3%
|
|
| 70 | 9 |
6%
|
|
| 75 | 11 |
7.3%
|
|
| 80 | 11 |
7.3%
|
|
| 85 | 2 |
1.3%
|
|
| 87 | 1 |
0.7%
|
|
| 90 | 7 |
4.6%
|
|
| 95 | 2 |
1.3%
|
|
| 100 | 84 |
55.6%
|