| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 |
2.6%
|
| 0 | 482 |
29%
|
|
| 10 | 6 |
0.4%
|
|
| 20 | 4 |
0.2%
|
|
| 25 | 2 |
0.1%
|
|
| 30 | 6 |
0.4%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 6 |
0.4%
|
|
| 50 | 60 |
3.6%
|
|
| 60 | 12 |
0.7%
|
|
| 70 | 10 |
0.6%
|
|
| 75 | 5 |
0.3%
|
|
| 80 | 20 |
1.2%
|
|
| 85 | 2 |
0.1%
|
|
| 90 | 3 |
0.2%
|
|
| 100 | 999 |
60.1%
|