Year	US Dollars, Sum Over Component Sub-periods
1971-01-01	7272200000.000000
1972-01-01	8309799999.999999
1973-01-01	10413200000.000000
1974-01-01	12852600000.000000
1975-01-01	15568300000.000000
1976-01-01	17047099999.999998
1977-01-01	19126300000.000000
1978-01-01	24692400000.000000
1979-01-01	28291200000.000000
1980-01-01	32762900000.000000
1981-01-01	30907100000.000000
1982-01-01	31705700000.000000
1983-01-01	30170400000.000000
1984-01-01	28861200000.000000
1985-01-01	30109300000.000000
1986-01-01	38952300000.000000
1987-01-01	46221500000.000000
1988-01-01	47467100000.000000
1989-01-01	49900700000.000000
1990-01-01	62314600000.000000
1991-01-01	64127000000.000000
1992-01-01	68067899999.999990
1993-01-01	63703700000.000000
1994-01-01	65463600000.000000
1995-01-01	79917800000.000000
1996-01-01	83552800000.000000
1997-01-01	82565000000.000000
1998-01-01	84034000000.000000
1999-01-01	84011500000.000000
2000-01-01	83159500000.000000
2001-01-01	88588800000.000000
2002-01-01	102272400000.000000
2003-01-01	123277600000.000000
2004-01-01	146984700000.000000
2005-01-01	163712100000.000000
2006-01-01	187157900000.000000
2007-01-01	222073000000.000000
2008-01-01	255402000000.000000
2009-01-01	239264200000.000000
2010-01-01	253216400000.000000
2011-01-01	286774100000.000000
2012-01-01	279068800000.000000
2013-01-01	300990900000.000000