| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 0 |
0%
|
| -66 | -66 (refuse to answer) | 0 |
0%
|
| 0 | No | 2 |
0.8%
|
| 1 | Yes | 248 |
99.2%
|
| Sysmiss | 1129 |