| Value | Category | Cases | |
|---|---|---|---|
| 1 | Male | 36 |
10.8%
|
| 2 | Female | 7 |
2.1%
|
| 3 | Both | 1 |
0.3%
|
| 9 | None | 289 |
86.8%
|
| Sysmiss | 4461 |