| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.8%
|
| 0 | 34 |
12.5%
|
|
| 20 | 3 |
1.1%
|
|
| 30 | 4 |
1.5%
|
|
| 33 | 2 |
0.7%
|
|
| 40 | 8 |
3%
|
|
| 41 | 1 |
0.4%
|
|
| 50 | 22 |
8.1%
|
|
| 60 | 6 |
2.2%
|
|
| 70 | 4 |
1.5%
|
|
| 75 | 2 |
0.7%
|
|
| 80 | 3 |
1.1%
|
|
| 90 | 1 |
0.4%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 175 |
64.6%
|