| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 12669 |
99%
|
| -2 | no answer | 9 |
0.1%
|
| -1 | does not know | 125 |
1%
|