Year	Millions of 2000 Dollars
1960-01-01	11920.6
1961-01-01	11415.4
1962-01-01	12209.7
1963-01-01	13931.9
1964-01-01	16604.8
1965-01-01	18206.1
1966-01-01	21096.1
1967-01-01	21245.4
1968-01-01	22567.1
1969-01-01	23331.4
1970-01-01	24682.5
1971-01-01	27352.8
1972-01-01	13510.7
1973-01-01	15788.2
1974-01-01	13906.4
1975-01-01	15638.0
1976-01-01	19508.6
1977-01-01	21495.8
1978-01-01	23528.1
1979-01-01	24636.7
1980-01-01	25273.0
1981-01-01	25807.6
1982-01-01	23362.8
1983-01-01	25874.5
1984-01-01	22894.3
1985-01-01	24322.4
1986-01-01	25866.4
1987-01-01	28570.9
1988-01-01	27619.3
1989-01-01	24791.2
1990-01-01	25458.2
1991-01-01	26070.9
1992-01-01	31481.9
1993-01-01	30805.0
1994-01-01	34427.7
1995-01-01	34409.4
1996-01-01	34113.1
1997-01-01	36682.2
1998-01-01	37449.5
1999-01-01	33814.6
2000-01-01	32836.4
2001-01-01	34437.2
2002-01-01	41138.4
2003-01-01	48687.5
2004-01-01	54251.7
2005-01-01	59972.1
2006-01-01	65968.2
2007-01-01	75327.0
2008-01-01	61057.4
2009-01-01	64031.2
2010-01-01	71358.5
2011-01-01	73973.5
2012-01-01	79411.7
2013-01-01	82696.8
2014-01-01	95316.2
2015-01-01	102075.0
2016-01-01	115613.0
