Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
0 | 237 |
97.9%
|
|
10 | 2 |
0.8%
|
|
20 | 1 |
0.4%
|
|
50 | 1 |
0.4%
|