Year Millions of 2000 Dollars 1994-01-01 958.6139999999999 1995-01-01 2226.8000000000000 1996-01-01 2437.3300000000000 1997-01-01 2554.0700000000000 1998-01-01 2740.8000000000000 1999-01-01 2057.0100000000000 2000-01-01 1722.6300000000000 2001-01-01 2011.5600000000000 2002-01-01 2409.6600000000000 2003-01-01 3250.9900000000000 2004-01-01 4627.0000000000000 2005-01-01 6428.3900000000000 2006-01-01 8818.9300000000000 2007-01-01 9745.6500000000000 2008-01-01 13864.1000000000000 2009-01-01 12126.4000000000000 2010-01-01 14837.2000000000000 2011-01-01 11740.5000000000000 2012-01-01 16467.0000000000000 2013-01-01 17887.8000000000000 2014-01-01 17614.2000000000000 2015-01-01 15123.5000000000000 2016-01-01 14225.5000000000000