| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 3 |
0.2%
|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 3 |
0.2%
|
| 1 | Mentioned | 293 |
24.1%
|
| 2 | Not mentioned | 909 |
74.8%
|