Year	US Dollars, Sum Over Component Sub-periods
1971-01-01	-97560000.0000000
1972-01-01	92170000.0000000
1973-01-01	139330000.0000000
1974-01-01	56340000.0000000
1975-01-01	-1491090000.0000000
1976-01-01	-1285990000.0000000
1977-01-01	-1456560000.0000000
1978-01-01	-2335960000.0000000
1979-01-01	-3284270000.0000000
1980-01-01	-4348340000.0000000
1981-01-01	-4184770000.0000005
1982-01-01	-2259550000.0000000
1983-01-01	-1946240000.0000000
1984-01-01	-4135020000.0000005
1985-01-01	-4965250000.0000000
1986-01-01	-8205290000.0000010
1987-01-01	-6640460000.0000000
1988-01-01	-13471640000.0000000
1989-01-01	-8163480000.0000000
1990-01-01	-21479350000.0000000
1991-01-01	-18242880000.0000000
1992-01-01	-20843250000.0000000
1993-01-01	-16740300000.0000000
1994-01-01	-11647270000.0000000
1995-01-01	-27117060000.0000000
1996-01-01	-44323680000.0000000
1997-01-01	-29935350000.0000000
1998-01-01	-66314330000.0000000
1999-01-01	-52757600000.0000000
2000-01-01	150399190000.0000000
2001-01-01	-13082400000.0000000
2002-01-01	34065559999.9999960
2003-01-01	25811330000.0000000
2004-01-01	-29763570000.0000000
2005-01-01	-30398300000.0000000
2006-01-01	-62609810000.0000000
2007-01-01	-91151010000.0000000
2008-01-01	-68398170000.0000000
2009-01-01	-44154360000.0000000
2010-01-01	-61504220000.0000000
2011-01-01	-21425520000.0000000
2012-01-01	-66500960000.0000100
2013-01-01	-30049940000.0000000