| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
2.8%
|
| 0 | 160 |
44.3%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 1 |
0.3%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 7 |
1.9%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 13 |
3.6%
|
|
| 15 | 3 |
0.8%
|
|
| 20 | 23 |
6.4%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 21 |
5.8%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 19 |
5.3%
|
|
| 50 | 25 |
6.9%
|
|
| 60 | 10 |
2.8%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 13 |
3.6%
|
|
| 75 | 2 |
0.6%
|
|
| 80 | 19 |
5.3%
|
|
| 85 | 2 |
0.6%
|
|
| 90 | 8 |
2.2%
|
|
| 95 | 1 |
0.3%
|
|
| 96 | 1 |
0.3%
|
|
| 97 | 1 |
0.3%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 12 |
3.3%
|