Year	Millions of 2000 Dollars
1970-01-01	117.20900000000000
1971-01-01	128.76400000000000
1972-01-01	136.01500000000000
1973-01-01	127.40000000000000
1974-01-01	112.56700000000001
1975-01-01	116.50200000000001
1976-01-01	112.39600000000000
1977-01-01	117.34400000000000
1978-01-01	128.75500000000000
1979-01-01	130.60399999999998
1980-01-01	123.17800000000000
1981-01-01	121.90200000000000
1982-01-01	113.46500000000000
1983-01-01	104.46200000000000
1984-01-01	114.41700000000000
1985-01-01	131.61700000000002
1986-01-01	166.72400000000002
1987-01-01	178.35500000000000
1988-01-01	209.00799999999998
1989-01-01	213.06700000000000
1990-01-01	219.93500000000000
1991-01-01	224.87300000000000
1992-01-01	233.01700000000000
1993-01-01	279.48900000000003
1994-01-01	306.10600000000000
1995-01-01	329.86100000000000
1996-01-01	350.99500000000000
1997-01-01	379.82400000000000
1998-01-01	419.69199999999995
1999-01-01	465.22200000000000
2000-01-01	512.10100000000000
2001-01-01	559.89500000000000
2002-01-01	604.52800000000000
2003-01-01	629.54700000000000
2004-01-01	732.99300000000000
2005-01-01	664.50100000000010
2006-01-01	662.87100000000010
2007-01-01	714.41199999999990
2008-01-01	750.11399999999990
2009-01-01	754.61300000000000
2010-01-01	766.94800000000000
2011-01-01	747.57700000000000
2012-01-01	698.09700000000000
2013-01-01	713.67500000000000
2014-01-01	751.99100000000010
2015-01-01	801.21300000000010
2016-01-01	820.10899999999990