Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	-715079547.53863600
1961-01-01	-20730828.72870640
1962-01-01	-160953307.91107900
1963-01-01	-5527259.53331624
1964-01-01	-269493046.02556600
1965-01-01	-913985763.21108500
1966-01-01	-512108995.63805500
1967-01-01	-720788293.74780300
1968-01-01	-1142313803.12509000
1969-01-01	-658857279.22319600
1970-01-01	-582433225.17298200
1971-01-01	-575743222.13472700
1972-01-01	772160288.47443400
1973-01-01	887391901.68214400
1974-01-01	-2409507495.28531000
1975-01-01	-566803698.38681500
1976-01-01	-1463827081.79458000
1977-01-01	-2609156605.48543000
1978-01-01	-4042122420.83899000
1979-01-01	-2048943682.03336000
1980-01-01	-3901160921.12828000
1981-01-01	-7629493545.82075000
1982-01-01	-7754422830.01519000
1983-01-01	-5648681092.62069000
1984-01-01	-8118019280.77816000
1985-01-01	-8433446809.09180000
1986-01-01	-9207750006.74187000
1987-01-01	-7199625638.22749000
1988-01-01	-10412630101.23730000
1989-01-01	-18398167001.52990000
1990-01-01	-15610726855.55770000
1991-01-01	-10634625930.89730000
1992-01-01	-10347252062.23680000
1993-01-01	-9256297251.78741000
1994-01-01	-15834801073.78580000
1995-01-01	-18680762731.95190000
1996-01-01	-14402390299.19040000
1997-01-01	-11982862710.17030000
1998-01-01	-17818829362.62660000
1999-01-01	-21785924071.42010000
2000-01-01	-15722030168.95970000
2001-01-01	-7813911819.43196000
2002-01-01	-15803039698.41260000
2003-01-01	-29053856138.55440000
2004-01-01	-41077619910.72310000
2005-01-01	-43367723552.96060000
2006-01-01	-45392403368.19320000
2007-01-01	-63718962545.32650000
2008-01-01	-52834457276.22970000
2009-01-01	-47897262461.76680000
2010-01-01	-43839516698.36780000
2011-01-01	-41467877025.57280000
2012-01-01	-64060415807.62930000
2013-01-01	-44123511952.90310000