Year	US Dollars, Sum Over Component Sub-periods
1971-01-01	7272180000.000000
1972-01-01	8309760000.000000
1973-01-01	10413230000.000000
1974-01-01	12852550000.000000
1975-01-01	15568330000.000000
1976-01-01	17047060000.000002
1977-01-01	19126300000.000000
1978-01-01	24692370000.000000
1979-01-01	28291170000.000000
1980-01-01	32762880000.000000
1981-01-01	30907120000.000000
1982-01-01	31705730000.000000
1983-01-01	30170390000.000000
1984-01-01	28861220000.000000
1985-01-01	30109300000.000000
1986-01-01	38952340000.000000
1987-01-01	46221460000.000000
1988-01-01	47467100000.000000
1989-01-01	49900690000.000000
1990-01-01	62314610000.000000
1991-01-01	64127040000.000000
1992-01-01	68067940000.000000
1993-01-01	63703650000.000000
1994-01-01	65463630000.000000
1995-01-01	79917820000.000000
1996-01-01	83552830000.000000
1997-01-01	82565050000.000000
1998-01-01	84034010000.000000
1999-01-01	84011500000.000000
2000-01-01	83159460000.000000
2001-01-01	88588770000.000000
2002-01-01	102272420000.000000
2003-01-01	123277580000.000000
2004-01-01	146984680000.000000
2005-01-01	163712110000.000000
2006-01-01	187157930000.000000
2007-01-01	222073000000.000000
2008-01-01	255402000000.000000
2009-01-01	239264220000.000000
2010-01-01	253216370000.000000
2011-01-01	286774080000.000000
2012-01-01	279068840000.000000
2013-01-01	300990900000.000000