| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 367 |
70.7%
|
|
| 20 | 5 |
1%
|
|
| 40 | 3 |
0.6%
|
|
| 49 | 2 |
0.4%
|
|
| 50 | 2 |
0.4%
|
|
| 60 | 3 |
0.6%
|
|
| 70 | 2 |
0.4%
|
|
| 80 | 2 |
0.4%
|
|
| 90 | 1 |
0.2%
|
|
| 100 | 132 |
25.4%
|