| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -777 | Not Applicable | 0 |
0%
|
| 0 | No | 189 |
98.4%
|
| 1 | Yes | 3 |
1.6%
|
| Sysmiss | 397 |