Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 161 |
9.7%
|
0 | 1371 |
82.4%
|
|
5 | 21 |
1.3%
|
|
10 | 30 |
1.8%
|
|
15 | 14 |
0.8%
|
|
20 | 39 |
2.3%
|
|
25 | 6 |
0.4%
|
|
30 | 13 |
0.8%
|
|
40 | 5 |
0.3%
|
|
50 | 2 |
0.1%
|
|
55 | 1 |
0.1%
|