| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
0.8%
|
| 0 | 306 |
24.7%
|
|
| 10 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 20 | 2 |
0.2%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| 50 | 18 |
1.5%
|
|
| 60 | 2 |
0.2%
|
|
| 70 | 5 |
0.4%
|
|
| 80 | 9 |
0.7%
|
|
| 85 | 2 |
0.2%
|
|
| 90 | 4 |
0.3%
|
|
| 95 | 1 |
0.1%
|
|
| 99 | 2 |
0.2%
|
|
| 100 | 874 |
70.5%
|