Year	US Dollars, Sum Over Component Sub-periods
1972-01-01	720090000.000000
1973-01-01	1050770000.000000
1974-01-01	1418460000.000000
1975-01-01	1305240000.000000
1976-01-01	1606350000.000000
1977-01-01	2007450000.000000
1978-01-01	2639450000.000000
1979-01-01	3358750000.000000
1980-01-01	3422110000.000000
1981-01-01	4022780000.000000
1982-01-01	3885930000.000000
1983-01-01	3190450000.000000
1984-01-01	3933810000.000000
1985-01-01	3833140000.000000
1986-01-01	4381080000.000000
1987-01-01	5024520000.000000
1988-01-01	6894530000.000000
1989-01-01	6056800000.000000
1990-01-01	6418860000.000000
1991-01-01	6803420000.000000
1992-01-01	6402210000.000000
1993-01-01	7407280000.000000
1994-01-01	5978130000.000000
1995-01-01	9733690000.000000
1996-01-01	10664230000.000000
1997-01-01	14149140000.000000
1998-01-01	15414920000.000000
1999-01-01	17939710000.000000
2000-01-01	19196080000.000000
2001-01-01	11873870000.000000
2002-01-01	9120100000.000000
2003-01-01	24236270000.000000
2004-01-01	25276380000.000000
2005-01-01	34069540000.000000
2006-01-01	32058150000.000000
2007-01-01	2597570000.000000
2008-01-01	-36388230000.000000
2009-01-01	8462950000.000001
2010-01-01	33398410000.000004
2011-01-01	6342830000.000000
2012-01-01	13101110000.000000
2013-01-01	36197180000.000000