| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 13 |
0.2%
|
| -99 | Don't know | 0 |
0%
|
| 1 | Yes | 388 |
5.4%
|
| 2 | No | 6780 |
94.4%
|
| Sysmiss | 691 |