That includes its efforts during the Mariel Boatlift from April to September 1980, when about 124, 000 Cuban migrants used mostly U.S. vessels to try to get to the United States.

CNN: 26 Cuban migrants intercepted by Coast Guard, repatriated

Most notably, an estimated 25, 000 Haitians were among the mass migration of more than 150, 000 asylum seekers who arrived in South Florida during the Mariel boatlift, an exodus of mostly Cuban migrants in 1980.

CNN: STORY HIGHLIGHTS

There's a careful study of the Mariel boatlift, for example, which was a kind of natural experiment where a large number of Cuban immigrants were, if you will, dumped on the shores of Southern Florida all of a sudden in effort to try to find in the years after whether there was any negative effect on workers and black workers of this unexpected influx.

NPR: The Hidden Costs and Benefits of Illegal Immigration

Over a 130, 000 Cubans have arrived here since 2000, more than during the entire Mariel Boatlift.

NPR: Miami's Cuban Exile Community Evolves Again