Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 25 |
4.2%
|
0 | 450 |
75.3%
|
|
4 | 1 |
0.2%
|
|
5 | 3 |
0.5%
|
|
7 | 1 |
0.2%
|
|
10 | 21 |
3.5%
|
|
15 | 1 |
0.2%
|
|
20 | 40 |
6.7%
|
|
25 | 4 |
0.7%
|
|
30 | 25 |
4.2%
|
|
40 | 16 |
2.7%
|
|
50 | 8 |
1.3%
|
|
60 | 1 |
0.2%
|
|
70 | 2 |
0.3%
|