Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 26 |
4.3%
|
-7 | Does not apply (spontaneous) | 0 |
0%
|
0 | 518 |
86.3%
|
|
2 | 1 |
0.2%
|
|
5 | 13 |
2.2%
|
|
10 | 17 |
2.8%
|
|
15 | 6 |
1%
|
|
20 | 9 |
1.5%
|
|
25 | 2 |
0.3%
|
|
30 | 4 |
0.7%
|
|
40 | 2 |
0.3%
|
|
50 | 1 |
0.2%
|
|
80 | 1 |
0.2%
|