| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
7.3%
|
| 10 | 2 |
1.3%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 4 |
2.6%
|
|
| 25 | 2 |
1.3%
|
|
| 30 | 6 |
4%
|
|
| 35 | 2 |
1.3%
|
|
| 40 | 1 |
0.7%
|
|
| 50 | 8 |
5.3%
|
|
| 60 | 3 |
2%
|
|
| 70 | 1 |
0.7%
|
|
| 75 | 4 |
2.6%
|
|
| 80 | 11 |
7.3%
|
|
| 85 | 1 |
0.7%
|
|
| 88 | 1 |
0.7%
|
|
| 90 | 5 |
3.3%
|
|
| 100 | 88 |
58.3%
|