Mikrocensus 1981, 2. quarter: Additional Questions for the Population Census ...
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This survey consists of 6 parts: - migration: data on migration, i.e. immigration and emigration of households or individual; this information is important for population...
本数据集共包含6个部分：- 迁移（migration）模块：收录住户或个人的入境与出境迁移相关数据；此类信息对于人口研究而言至关重要……
