Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 76 |
28%
|
0 | 191 |
70.5%
|
|
10 | 1 |
0.4%
|
|
20 | 1 |
0.4%
|
|
40 | 1 |
0.4%
|
|
50 | 1 |
0.4%
|