| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -4 | chronic problem | 46 |
0.3%
|
| -3 | inapplicable | 13593 |
99.6%
|
| -2 | no answer | 7 |
0.1%
|
| -1 | does not know | 6 |
0%
|