Immigration to the United States by region and country (1999 - 2014)

Reference 1: All immigrants, East and Southeast Asia, South Asia, North Africa and West/Central Asia, Sub-Saharan Africa, Americas, Europe and Australia and Oceania.

Reference 2: 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000 and 1999.

Source: http://en.wikipedia.org/wiki/Racial_and_ethnic_demographics_of_the_United_States