Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	10671860000.00000
1961-01-01	11116510000.00000
1962-01-01	11413700000.00000
1963-01-01	12307200000.00000
1964-01-01	12934920000.00000
1965-01-01	13933550000.00000
1966-01-01	14938160000.00000
1967-01-01	14610620000.00000
1968-01-01	15647410000.00000
1969-01-01	17623940000.00000
1970-01-01	19805000000.00000
1971-01-01	22456030000.00000
1972-01-01	23944130000.00000
1973-01-01	29616250000.00000
1974-01-01	38698650000.00000
1975-01-01	43055040000.00000
1976-01-01	45634880000.00000
1977-01-01	55890530000.00000
1978-01-01	67760740000.00001
1979-01-01	86527210000.00000
1980-01-01	110388160000.00000
1981-01-01	102529490000.00000
1982-01-01	97195200000.00000
1983-01-01	92429530000.00000
1984-01-01	93889480000.00000
1985-01-01	100460290000.00000
1986-01-01	107003790000.00000
1987-01-01	130032610000.00000
1988-01-01	143575000000.00000
1989-01-01	151470320000.00000
1990-01-01	181718520000.00000
1991-01-01	183348110000.00000
1992-01-01	189322900000.00000
1993-01-01	183516370000.00000
1994-01-01	206873010000.00000
1995-01-01	242350570000.00000
1996-01-01	260909870000.00000
1997-01-01	281680010000.00000
1998-01-01	270866849999.99997
1999-01-01	267682400000.00003
2000-01-01	283289780000.00000
2001-01-01	271343700000.00000
2002-01-01	278837520000.00000
2003-01-01	306321210000.00000
2004-01-01	348327950000.00000
2005-01-01	383026450000.00000
2006-01-01	447013260000.00000
2007-01-01	440183750000.00000
2008-01-01	460998080000.00000
2009-01-01	355094370000.00000
2010-01-01	409665530000.00000
2011-01-01	478384900000.00000
2012-01-01	476102100000.00000
2013-01-01	476370570000.00000