| Value | Category | Cases | |
|---|---|---|---|
| -9 | Break off | 4 |
0.4%
|
| -2 | Refuse to answer | 0 |
0%
|
| -1 | Don't know | 1 |
0.1%
|
| 0 | No | 966 |
93.2%
|
| 1 | Yes | 65 |
6.3%
|