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This input is used in derivation
| Code | Description |
|---|---|
| 1 | Male |
| 2 | Female |
| 3 | Other (Hermaphrodite) |
| 4 | Transsexual, NOS |
| 5 | Transsexual, natal male |
| 6 | Transsexual, natal female |
| 9 | Not stated/Unknown |
