Year Millions of 2000 Dollars 1975-01-01 136.65600000000000 1976-01-01 140.18300000000000 1977-01-01 139.19000000000000 1978-01-01 152.72899999999998 1979-01-01 158.35900000000000 1980-01-01 157.30900000000000 1981-01-01 169.63900000000000 1982-01-01 178.45100000000000 1983-01-01 196.95500000000000 1984-01-01 211.25500000000000 1985-01-01 244.08000000000000 1986-01-01 302.82099999999997 1987-01-01 337.18600000000000 1988-01-01 395.63800000000003 1989-01-01 440.93300000000005 1990-01-01 464.40700000000000 1991-01-01 486.40100000000000 1992-01-01 486.00100000000000 1993-01-01 501.79200000000000 1994-01-01 520.48700000000000 1995-01-01 562.25600000000000 1996-01-01 570.90800000000000 1997-01-01 584.89699999999990 1998-01-01 642.15100000000000 1999-01-01 676.39800000000000 2000-01-01 694.45700000000000 2001-01-01 714.48500000000000 2002-01-01 707.22399999999990 2003-01-01 768.53699999999990 2004-01-01 803.78000000000000 2005-01-01 874.04600000000000 2006-01-01 1000.98000000000000 2007-01-01 1028.52000000000000 2008-01-01 1106.59000000000000 2009-01-01 1109.89000000000000 2010-01-01 1113.45000000000000 2011-01-01 1116.05000000000000 2012-01-01 1132.93000000000000 2013-01-01 1149.54000000000000 2014-01-01 1173.22000000000000 2015-01-01 1227.83000000000000 2016-01-01 1214.94000000000000