| Value | Category | Cases | |
|---|---|---|---|
| -99 | *Refused | 0 |
0%
|
| -98 | *Don't Know | 2 |
0.3%
|
| 0 | No | 23 |
3.4%
|
| 1 | Yes | 644 |
96.3%
|
| Sysmiss | 1553 |