| Value | Category | Cases | |
|---|---|---|---|
| 1 | Male | 21 |
0.8%
|
| 2 | Female | 13 |
0.5%
|
| 3 | Both | 1 |
0%
|
| 4 | None | 2569 |
98.7%
|
| Sysmiss | 34 |