| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 15225 |
99.2%
|
| -2 | no answer | 38 |
0.2%
|
| -1 | does not know | 80 |
0.5%
|