Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 17 |
4.7%
|
0 | 336 |
93.3%
|
|
5 | 1 |
0.3%
|
|
10 | 1 |
0.3%
|
|
15 | 1 |
0.3%
|
|
20 | 1 |
0.3%
|
|
30 | 1 |
0.3%
|
|
40 | 1 |
0.3%
|
|
50 | 1 |
0.3%
|