Year	Millions of 2000 Dollars
1960-01-01	372.89800000000000
1961-01-01	387.94699999999995
1962-01-01	431.14800000000000
1963-01-01	463.18400000000000
1964-01-01	512.82200000000000
1965-01-01	590.33600000000000
1966-01-01	638.21700000000000
1967-01-01	634.26100000000000
1968-01-01	689.64199999999990
1969-01-01	772.64899999999990
1970-01-01	835.96399999999990
1971-01-01	895.64699999999990
1972-01-01	987.33700000000000
1973-01-01	1107.28000000000000
1974-01-01	1014.18000000000000
1975-01-01	1067.07000000000000
1976-01-01	1332.40000000000000
1977-01-01	1509.37000000000000
1978-01-01	1669.58000000000000
1979-01-01	1604.69000000000000
1980-01-01	1562.82000000000000
1981-01-01	1562.82000000000000
1982-01-01	1800.82000000000000
1983-01-01	2031.46000000000000
1984-01-01	2163.27000000000000
1985-01-01	2049.91000000000000
1986-01-01	2215.10000000000000
1987-01-01	2595.39000000000000
1988-01-01	2829.41000000000000
1989-01-01	3064.25000000000000
1990-01-01	1314.01000000000000
1991-01-01	1483.77000000000000
1992-01-01	1665.65000000000000
1993-01-01	1450.17000000000000
1994-01-01	1399.25000000000000
1995-01-01	1598.44000000000000
1996-01-01	1726.36000000000000
1997-01-01	2688.62000000000000
1998-01-01	3017.47000000000000
1999-01-01	3341.02000000000000
2000-01-01	3572.90000000000000
2001-01-01	3934.81000000000000
2002-01-01	4090.01000000000000
2003-01-01	4282.00000000000000
2004-01-01	4648.45000000000000
2005-01-01	5210.45000000000000
2006-01-01	6229.24000000000000
2007-01-01	7138.44000000000000
2008-01-01	7516.06000000000000
2009-01-01	7513.33000000000000
2010-01-01	8127.24000000000000
2011-01-01	8799.35000000000000
2012-01-01	8829.49000000000000
2013-01-01	9127.32000000000000
2014-01-01	9813.52000000000000
2015-01-01	10100.50000000000000
2016-01-01	10661.70000000000000