The U.S. Border Patrol apprehended 327,577 illegal immigrants crossing the U.S.-Mexico border in fiscal year 2011, ending Sept 30. This is a steep decline from the 1.6 million apprehended crossing the border in 2000. The numbers have been dropping since the 2009 financial crisis and high unemployment in construction and other trades employing migrants. The figures for 2011 suggest a drop of about 25% from 2010. Researchers at the Pew Hispanic Center, say the balance now is about zero for people entering the U.S. across the border from Mexico and people returning to Mexico. In fact there are stories of money being sent to migrant workers without jobs in the U.S. by families in Mexico, which has affected the flow of migrant workers.
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