Year	Millions of 2000 Dollars
1966-01-01	320.50100000000000
1967-01-01	377.37199999999996
1968-01-01	385.55600000000000
1969-01-01	449.08099999999996
1970-01-01	444.67500000000000
1971-01-01	562.81600000000000
1972-01-01	780.80400000000000
1973-01-01	933.87600000000010
1974-01-01	1122.02000000000000
1975-01-01	1732.05000000000000
1976-01-01	2573.62000000000000
1977-01-01	3179.65000000000000
1978-01-01	3471.13000000000000
1979-01-01	3479.56000000000000
1980-01-01	3681.97000000000000
1981-01-01	4788.35000000000000
1982-01-01	5285.38000000000000
1983-01-01	5045.22000000000000
1984-01-01	5920.76000000000000
1985-01-01	6228.21000000000000
1986-01-01	6849.08000000000000
1987-01-01	7122.29000000000000
1988-01-01	6249.99000000000000
1989-01-01	6804.47000000000000
1990-01-01	6119.79000000000000
1991-01-01	6077.50000000000000
1992-01-01	6375.97000000000000
1993-01-01	6974.99000000000000
1994-01-01	7408.61000000000000
1995-01-01	7304.72000000000000
1996-01-01	7463.04000000000000
1997-01-01	8061.99000000000000
1998-01-01	8572.17000000000000
1999-01-01	9295.85000000000000
2000-01-01	9951.26000000000000
2001-01-01	13567.50000000000000
2002-01-01	14424.90000000000000
2003-01-01	14940.40000000000000
2004-01-01	17475.90000000000000
2005-01-01	24141.10000000000000
2006-01-01	32873.90000000000000
2007-01-01	44073.40000000000000
2008-01-01	52703.10000000000000
2009-01-01	59972.20000000000000
2010-01-01	72724.10000000000000
2011-01-01	82705.40000000000000
2012-01-01	99933.00000000000000
2013-01-01	117745.00000000000000
2014-01-01	129250.00000000000000
2015-01-01	132732.00000000000000
2016-01-01	124090.00000000000000