Annual US Dollars, Sum Over Component Sub-periods
1971-01-01 -2489350000
1972-01-01 -3047400000
1973-01-01 -4740680000
1974-01-01 -4703080000
1975-01-01 -5450940000
1976-01-01 -5305690000
1977-01-01 -6469880000
1978-01-01 -7247480000
1979-01-01 -10990870000
1980-01-01 -12279550000
1981-01-01 -9989500000
1982-01-01 -8657550000
1983-01-01 -8173690000
1984-01-01 -6347700000
1985-01-01 -5544120000
1986-01-01 -8407900000
1987-01-01 -12535130000
1988-01-01 -16344520000
1989-01-01 -15382350000
1990-01-01 -22512180000
1991-01-01 -26055570000
1992-01-01 -36054040000
1993-01-01 -38340300000
1994-01-01 -46115820000
1995-01-01 -53440200000
1996-01-01 -51714500000
1997-01-01 -48148800000
1998-01-01 -51605610000
1999-01-01 -57915130000
2000-01-01 -55017600000
2001-01-01 -54142080000
2002-01-01 -43192030000
2003-01-01 -50721060000
2004-01-01 -51109290000
2005-01-01 -48827970000
2006-01-01 -38301790000
2007-01-01 -39411400000
2008-01-01 -37370010000
2009-01-01 -21962950000
2010-01-01 -18082430000
2011-01-01 -16349960000
2012-01-01 -17396380000
2013-01-01 -17426470000