Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	325280000.00000000
1961-01-01	288430000.00000000
1962-01-01	313330000.00000000
1963-01-01	382150000.00000000
1964-01-01	403900000.00000000
1965-01-01	328760000.00000000
1966-01-01	350820000.00000000
1967-01-01	345160000.00000000
1968-01-01	327400000.00000000
1969-01-01	298680000.00000000
1970-01-01	280070000.00000000
1971-01-01	303210000.00000000
1972-01-01	326950000.00000000
1973-01-01	373800000.00000000
1974-01-01	536559999.99999994
1975-01-01	842060000.00000000
1976-01-01	1055980000.00000000
1977-01-01	1314750000.00000000
1978-01-01	1606770000.00000000
1979-01-01	2083370000.00000000
1980-01-01	2971280000.00000000
1981-01-01	2790890000.00000000
1982-01-01	2932690000.00000000
1983-01-01	3290060000.00000000
1984-01-01	3247320000.00000000
1985-01-01	3380620000.00000000
1986-01-01	3231350000.00000000
1987-01-01	3363190000.00000000
1988-01-01	3797780000.00000000
1989-01-01	4139229999.99999950
1990-01-01	4621190000.00000000
1991-01-01	4987110000.00000000
1992-01-01	4935470000.00000000
1993-01-01	5092270000.00000000
1994-01-01	6038170000.00000000
1995-01-01	6817730000.00000000
1996-01-01	7243690000.00000000
1997-01-01	9128720000.00000000
1998-01-01	11728560000.00000000
1999-01-01	14508830000.00000000
2000-01-01	16684980000.00000000
2001-01-01	17325330000.00000000
2002-01-01	19475700000.00000000
2003-01-01	23873590000.00000000
2004-01-01	38251220000.00000000
2005-01-01	52592090000.00000000
2006-01-01	69666260000.00000000
2007-01-01	86920130000.00000000
2008-01-01	107495930000.00000000
2009-01-01	93048350000.00000000
2010-01-01	123638920000.00000000