| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
5.8%
|
| 0 | 196 |
54.1%
|
|
| 1 | 1 |
0.3%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 7 |
1.9%
|
|
| 7 | 1 |
0.3%
|
|
| 10 | 17 |
4.7%
|
|
| 20 | 24 |
6.6%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 27 |
7.5%
|
|
| 40 | 13 |
3.6%
|
|
| 50 | 26 |
7.2%
|
|
| 60 | 5 |
1.4%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 4 |
1.1%
|
|
| 80 | 1 |
0.3%
|
|
| 90 | 1 |
0.3%
|
|
| 100 | 14 |
3.9%
|