Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-8 | Refusal (spontaneous) | 4 |
0.4%
|
3 | 5 |
0.5%
|
|
5 | 1 |
0.1%
|
|
6 | 1 |
0.1%
|
|
7 | 1 |
0.1%
|
|
10 | 100 |
9.9%
|
|
15 | 66 |
6.5%
|
|
20 | 835 |
82.4%
|