| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
5.6%
|
| 0 | 110 |
47.2%
|
|
| 10 | 6 |
2.6%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 3 |
1.3%
|
|
| 20 | 15 |
6.4%
|
|
| 25 | 10 |
4.3%
|
|
| 30 | 14 |
6%
|
|
| 40 | 10 |
4.3%
|
|
| 50 | 25 |
10.7%
|
|
| 60 | 5 |
2.1%
|
|
| 65 | 1 |
0.4%
|
|
| 70 | 3 |
1.3%
|
|
| 75 | 3 |
1.3%
|
|
| 80 | 3 |
1.3%
|
|
| 90 | 1 |
0.4%
|
|
| 95 | 2 |
0.9%
|
|
| 100 | 8 |
3.4%
|