Bank : Mexicans in U.S. sent 12.2 percent less money back to Mexico than last August . Comment: After oil exports , remittances are Mexico 's second-largest source of foreign currency . Some migrant workers are opting to return to Mexico .
Bank : Mexicans in U.S. sent 12.2 percent less money back to Mexico than last August . Some economists predict the drop will increase by year 's end to 20 percent . After oil exports , remittances are Mexico 's second-largest source of foreign currency . Some migrant workers are opting to return to Mexico .