Categories of birth years
Classification structure
| Code | Title |
|---|---|
| 1 | 1900-1939 |
| 2 | 1940-1949 |
| 3 | 1950-1959 |
| 4 | 1960-1969 |
| 5 | 1970-1979 |
| 6 | 1980-1989 |
| 7 | 1990-1999 |
| 8 | 2000-2018 |
| 9 | Unspecified |
- Date modified:
| Code | Title |
|---|---|
| 1 | 1900-1939 |
| 2 | 1940-1949 |
| 3 | 1950-1959 |
| 4 | 1960-1969 |
| 5 | 1970-1979 |
| 6 | 1980-1989 |
| 7 | 1990-1999 |
| 8 | 2000-2018 |
| 9 | Unspecified |