Year	US Dollars, Sum Over Component Sub-periods
1971-01-01	38514940000.00000
1972-01-01	46015510000.00000
1973-01-01	65786200000.00000
1974-01-01	88733010000.00000
1975-01-01	89769970000.00000
1976-01-01	101253020000.00000
1977-01-01	116902130000.00000
1978-01-01	140717080000.00000
1979-01-01	170047670000.00000
1980-01-01	191599640000.00000
1981-01-01	174969860000.00000
1982-01-01	175635500000.00000
1983-01-01	168417000000.00000
1984-01-01	170708590000.00000
1985-01-01	181925350000.00000
1986-01-01	240404280000.00000
1987-01-01	289937810000.00000
1988-01-01	322082620000.00000
1989-01-01	339886770000.00000
1990-01-01	409815790000.00000
1991-01-01	402973260000.00000
1992-01-01	430083370000.00000
1993-01-01	379585660000.00000
1994-01-01	425484020000.00000
1995-01-01	519799630000.00000
1996-01-01	520271910000.00000
1997-01-01	507776890000.00000
1998-01-01	537389079999.99994
1999-01-01	538748430000.00006
2000-01-01	545007069999.99994
2001-01-01	566105840000.00000
2002-01-01	610333350000.00000
2003-01-01	746674990000.00000
2004-01-01	907361710000.00000
2005-01-01	982573330000.00000
2006-01-01	1134910850000.00000
2007-01-01	1351717510000.00000
2008-01-01	1490513700000.00000
2009-01-01	1167148660000.00000
2010-01-01	1334627600000.00000
2011-01-01	1576337970000.00000
2012-01-01	1507746140000.00000
2013-01-01	1554284350000.00000