| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused | 1 |
0.1%
|
| -97 | Not Applicable (was not working before ) | 0 |
0%
|
| 0 | No | 12 |
0.7%
|
| 1 | Yes | 1660 |
99.2%
|
| Sysmiss | 549 |