| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Not available | 1 |
0.1%
|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 20 |
1.6%
|
| 1 | Yes | 266 |
21%
|
| 2 | No | 978 |
77.3%
|