Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 15 |
4.1%
|
0 | 348 |
94.6%
|
|
10 | 1 |
0.3%
|
|
20 | 1 |
0.3%
|
|
30 | 1 |
0.3%
|
|
50 | 2 |
0.5%
|