Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 74 |
27.3%
|
0 | 150 |
55.4%
|
|
5 | 2 |
0.7%
|
|
10 | 10 |
3.7%
|
|
13 | 1 |
0.4%
|
|
15 | 2 |
0.7%
|
|
20 | 17 |
6.3%
|
|
25 | 1 |
0.4%
|
|
30 | 4 |
1.5%
|
|
40 | 3 |
1.1%
|
|
50 | 4 |
1.5%
|
|
60 | 3 |
1.1%
|