| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 63 |
0.3%
|
| 0 | No | 10107 |
43.6%
|
| 1 | Yes | 12827 |
55.3%
|
| 9 | Can't determine | 200 |
0.9%
|
| Sysmiss | 1104 |