Year	US Dollars, Sum Over Component Sub-periods
1979-01-01	15244380000.000000
1980-01-01	20132400000.000000
1981-01-01	23293040000.000000
1982-01-01	20175070000.000000
1983-01-01	21899310000.000000
1984-01-01	27005340000.000000
1985-01-01	25639010000.000000
1986-01-01	22348600000.000000
1987-01-01	26223930000.000000
1988-01-01	33789370000.000004
1989-01-01	34382620000.000000
1990-01-01	31413760000.000000
1991-01-01	31620440000.000000
1992-01-01	35792990000.000000
1993-01-01	38554770000.000000
1994-01-01	43545160000.000000
1995-01-01	46506280000.000000
1996-01-01	47746730000.000000
1997-01-01	52994340000.000000
1998-01-01	51139860000.000000
1999-01-01	48011450000.000000
2000-01-01	55085590000.000000
2001-01-01	58222640000.000000
2002-01-01	60361790000.000000
2003-01-01	73084140000.000000
2004-01-01	96475240000.000000
2005-01-01	118308390000.000000
2006-01-01	137807470000.000000
2007-01-01	160649070000.000000
2008-01-01	197942440000.000000
2009-01-01	152994740000.000000
2010-01-01	201915290000.000000
2011-01-01	256039570000.000000
2012-01-01	242578010000.000000
2013-01-01	242033570000.000000
2014-01-01	225100880000.000000