Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.6%
|
0 | 157 |
96.9%
|
|
5 | 1 |
0.6%
|
|
15 | 1 |
0.6%
|
|
25 | 2 |
1.2%
|