| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -777 | Not Applicable | 0 |
0%
|
| 0 | No | 83 |
22.4%
|
| 1 | Yes | 288 |
77.6%
|
| Sysmiss | 218 |