| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
12.6%
|
| 0 | 30 |
19.9%
|
|
| 2 | 3 |
2%
|
|
| 5 | 6 |
4%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 6 |
4%
|
|
| 12 | 1 |
0.7%
|
|
| 15 | 4 |
2.6%
|
|
| 20 | 12 |
7.9%
|
|
| 25 | 1 |
0.7%
|
|
| 30 | 5 |
3.3%
|
|
| 35 | 1 |
0.7%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 6 |
4%
|
|
| 60 | 1 |
0.7%
|
|
| 70 | 4 |
2.6%
|
|
| 75 | 3 |
2%
|
|
| 80 | 3 |
2%
|
|
| 85 | 1 |
0.7%
|
|
| 90 | 2 |
1.3%
|
|
| 95 | 2 |
1.3%
|
|
| 100 | 38 |
25.2%
|