| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 87 |
8.7%
|
| 0 | 30 |
3%
|
|
| 2 | 1 |
0.1%
|
|
| 5 | 4 |
0.4%
|
|
| 10 | 16 |
1.6%
|
|
| 13 | 1 |
0.1%
|
|
| 15 | 3 |
0.3%
|
|
| 20 | 30 |
3%
|
|
| 25 | 5 |
0.5%
|
|
| 30 | 37 |
3.7%
|
|
| 35 | 4 |
0.4%
|
|
| 40 | 39 |
3.9%
|
|
| 50 | 134 |
13.4%
|
|
| 51 | 1 |
0.1%
|
|
| 60 | 45 |
4.5%
|
|
| 67 | 1 |
0.1%
|
|
| 70 | 31 |
3.1%
|
|
| 75 | 5 |
0.5%
|
|
| 78 | 1 |
0.1%
|
|
| 80 | 35 |
3.5%
|
|
| 85 | 5 |
0.5%
|
|
| 90 | 9 |
0.9%
|
|
| 95 | 3 |
0.3%
|
|
| 96 | 2 |
0.2%
|
|
| 100 | 469 |
47%
|