| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to respond | 2 |
0.2%
|
| -98 | Don't know | 2 |
0.2%
|
| 0 | No | 918 |
97.3%
|
| 1 | Yes | 21 |
2.2%
|
| Sysmiss | 2 |