| Value | Category | Cases | |
|---|---|---|---|
| 0 | At least one item chosen | 2313 |
54%
|
| 1 | No answer to any item | 84 |
2%
|
| -8 | Not applicable (not asked on paper) | 648 |
15.1%
|
| -7 | Not applicable | 0 |
0%
|
| -6 | Follow-up refusal | 1188 |
27.8%
|
| -2 | No answer (or invalid answer) | 48 |
1.1%
|