| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refuse to answer | 2 |
1.4%
|
| -998 | Don't know | 3 |
2.1%
|
| 0 | No | 16 |
11%
|
| 1 | Yes | 125 |
85.6%
|
| Sysmiss | 2035 |