| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refuse to answer | 0 |
0%
|
| -998 | Don't know | 0 |
0%
|
| 0 | No | 30 |
5.7%
|
| 1 | Yes | 493 |
94.3%
|
| Sysmiss | 1658 |