Year Millions of 2000 Dollars 1993-01-01 1172.98 1994-01-01 1864.74 1995-01-01 1459.37 1996-01-01 1630.89 1997-01-01 2070.10 1998-01-01 2253.55 1999-01-01 2318.85 2000-01-01 2709.92 2001-01-01 3071.88 2002-01-01 3864.67 2003-01-01 5086.74 2004-01-01 6542.23 2005-01-01 7615.70 2006-01-01 11400.20 2007-01-01 13772.90 2008-01-01 12911.10 2009-01-01 12165.00 2010-01-01 12295.70 2011-01-01 11524.90 2012-01-01 12037.10 2013-01-01 12621.30 2014-01-01 16218.20 2015-01-01 15488.00 2016-01-01 15626.90