Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 290 |
21.2%
|
0 | 1050 |
76.7%
|
|
3 | 1 |
0.1%
|
|
5 | 7 |
0.5%
|
|
10 | 13 |
0.9%
|
|
15 | 1 |
0.1%
|
|
20 | 4 |
0.3%
|
|
25 | 1 |
0.1%
|
|
30 | 1 |
0.1%
|
|
90 | 1 |
0.1%
|