| Value | Category | Cases | |
|---|---|---|---|
| -9 | Break off | 1 |
0.1%
|
| -7 | Legal skip | 593 |
57.2%
|
| -2 | Refuse to answer | 6 |
0.6%
|
| -1 | Don't know | 45 |
4.3%
|
| 0 | Not mentioned | 337 |
32.5%
|
| 1 | Mentioned | 54 |
5.2%
|