Year	Millions of 2000 Dollars
1960-01-01	202.33700000000002
1961-01-01	245.77000000000000
1962-01-01	252.37700000000000
1963-01-01	311.97300000000000
1964-01-01	385.96300000000000
1965-01-01	475.29600000000000
1966-01-01	486.26500000000000
1967-01-01	384.16000000000000
1968-01-01	437.82400000000000
1969-01-01	529.64100000000000
1970-01-01	501.09700000000000
1971-01-01	578.15699999999990
1972-01-01	653.44300000000000
1973-01-01	738.48500000000000
1974-01-01	769.79600000000000
1975-01-01	682.35300000000010
1976-01-01	835.86300000000000
1977-01-01	948.34899999999990
1978-01-01	1083.81000000000000
1979-01-01	1110.23000000000000
1980-01-01	1159.62000000000000
1981-01-01	1151.78000000000000
1982-01-01	1238.58000000000000
1983-01-01	1348.76000000000000
1984-01-01	1240.33000000000000
1985-01-01	1251.00000000000000
1986-01-01	1389.51000000000000
1987-01-01	1658.99000000000000
1988-01-01	1663.90000000000000
1989-01-01	1694.51000000000000
1990-01-01	1784.03000000000000
1991-01-01	1512.41000000000000
1992-01-01	1750.62000000000000
1993-01-01	1868.77000000000000
1994-01-01	2119.87000000000000
1995-01-01	2125.57000000000000
1996-01-01	2266.55000000000000
1997-01-01	2601.05000000000000
1998-01-01	2662.04000000000000
1999-01-01	3106.29000000000000
2000-01-01	3302.82000000000000
2001-01-01	3689.93000000000000
2002-01-01	3613.86000000000000
2003-01-01	4134.57000000000000
2004-01-01	4639.05000000000000
2005-01-01	4786.82000000000000
2006-01-01	5672.09000000000000
2007-01-01	7230.87000000000000
2008-01-01	7288.71000000000000
2009-01-01	10869.10000000000000
2010-01-01	12192.80000000000000
2011-01-01	11775.10000000000000
2012-01-01	12950.80000000000000
2013-01-01	13746.50000000000000
2014-01-01	15803.80000000000000
2015-01-01	18080.30000000000000
2016-01-01	20653.60000000000000