Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
14.1%
|
0 | 110 |
73.8%
|
|
10 | 6 |
4%
|
|
15 | 4 |
2.7%
|
|
20 | 2 |
1.3%
|
|
30 | 2 |
1.3%
|
|
50 | 4 |
2.7%
|