Year Millions of 2000 Dollars 1980-01-01 404.12300000000005 1981-01-01 363.03400000000000 1982-01-01 397.68900000000000 1983-01-01 397.68900000000000 1984-01-01 270.77800000000000 1985-01-01 246.40700000000000 1986-01-01 325.47800000000000 1987-01-01 389.39000000000000 1988-01-01 383.21100000000000 1989-01-01 391.68000000000000 1990-01-01 400.89599999999996 1991-01-01 400.58099999999996 1992-01-01 386.78700000000000 1993-01-01 413.78400000000000 1994-01-01 428.47600000000000 1995-01-01 445.78000000000000 1996-01-01 393.71400000000000 1997-01-01 427.39900000000000 1998-01-01 403.65400000000000 1999-01-01 355.03700000000000 2000-01-01 283.08600000000000 2001-01-01 203.83100000000000 2002-01-01 304.04800000000000 2003-01-01 411.55400000000003 2004-01-01 485.97700000000000 2005-01-01 456.50300000000004 2006-01-01 546.62900000000000 2007-01-01 625.42200000000000 2008-01-01 547.17700000000000 2009-01-01 723.51899999999990 2010-01-01 970.74500000000000 2011-01-01 796.75500000000000 2012-01-01 802.75300000000000 2013-01-01 776.57100000000000 2014-01-01 725.70800000000010 2015-01-01 604.13800000000000 2016-01-01 639.79700000000000