Year	Millions of 2000 Dollars
1966-01-01	1306.67
1967-01-01	1437.39
1968-01-01	1607.02
1969-01-01	1650.15
1970-01-01	1752.12
1971-01-01	1995.93
1972-01-01	2269.74
1973-01-01	2555.64
1974-01-01	2683.65
1975-01-01	2695.21
1976-01-01	3185.28
1977-01-01	3751.02
1978-01-01	4172.48
1979-01-01	4861.15
1980-01-01	5504.48
1981-01-01	5866.27
1982-01-01	5872.39
1983-01-01	5121.02
1984-01-01	3522.34
1985-01-01	4854.13
1986-01-01	1955.44
1987-01-01	1526.97
1988-01-01	1285.77
1989-01-01	1054.82
1990-01-01	1379.79
1991-01-01	1474.02
1992-01-01	1397.79
1993-01-01	1322.21
1994-01-01	1598.28
1995-01-01	2009.73
1996-01-01	1944.48
1997-01-01	2055.15
1998-01-01	2051.80
1999-01-01	2028.46
2000-01-01	2236.42
2001-01-01	2261.88
2002-01-01	2587.65
2003-01-01	2709.25
2004-01-01	3183.72
2005-01-01	3801.63
2006-01-01	4052.77
2007-01-01	5433.67
2008-01-01	6073.85
2009-01-01	6716.36
2010-01-01	7576.48
2011-01-01	8072.39
2012-01-01	8906.72
2013-01-01	9596.17
2014-01-01	10067.80
2015-01-01	9538.39
2016-01-01	9559.52