| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| 0 | No | 13 |
0.8%
|
| 1 | Yes | 1597 |
99.1%
|
| 99 | 1 |
0.1%
|
|
| Sysmiss | 1124 |