This variable is not available for any of the currently selected samples.
General migration - 1977-1988
Unicon Corporation made the following notes about this variable:
Years 76-80 refer to 1975, 1985 refers to 1980. All other years refer to the previous year.
|1977 – 1987||-||-||X||-||-||-||-||-||-||-||-||-|