New Hampshire did not start reporting Hispanic origin until 1993, and Oklahoma until 1991, so data from those states are excluded before then.
Reference 1: Average population (x 1,000), Deaths and Natural change.
Reference 2: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014.
Source: http://en.wikipedia.org/wiki/Racial_and_ethnic_demographics_of_the_United_States
Reference 2: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014.
Source: http://en.wikipedia.org/wiki/Racial_and_ethnic_demographics_of_the_United_States
