Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
1.4%
|
0 | 352 |
97.8%
|
|
10 | 1 |
0.3%
|
|
20 | 1 |
0.3%
|
|
30 | 1 |
0.3%
|