The migration continued well into the 1970s and 80s.

The migration began in the 1970s and is still continuing the growth.

Despite efforts to provide more work in agriculture on the islands, the migration continued.

The big German migrations to this area started around 1830 and continued quite strong for the rest of the century.

The migration started from early decades of 20th century and continued well into 1970s and 1980s.

This migration continued throughout the war years and in the economic boom, which followed.

A vast migration of blacks from the South began during the war and continued in the postwar period.

Chinese migration overseas has also continued into the 20th and 21st centuries.

As migration continued to the west, the county population rose and fell through the nineteenth century.

The migration continued later to many parts of the world.