| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 103 |
38%
|
| 0 | 45 |
16.6%
|
|
| 1 | 1 |
0.4%
|
|
| 3 | 2 |
0.7%
|
|
| 5 | 4 |
1.5%
|
|
| 6 | 1 |
0.4%
|
|
| 8 | 1 |
0.4%
|
|
| 10 | 22 |
8.1%
|
|
| 15 | 6 |
2.2%
|
|
| 20 | 20 |
7.4%
|
|
| 25 | 4 |
1.5%
|
|
| 30 | 18 |
6.6%
|
|
| 35 | 3 |
1.1%
|
|
| 40 | 10 |
3.7%
|
|
| 50 | 15 |
5.5%
|
|
| 60 | 2 |
0.7%
|
|
| 70 | 1 |
0.4%
|
|
| 80 | 4 |
1.5%
|
|
| 90 | 3 |
1.1%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 5 |
1.8%
|