Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	18031000000
1981-01-01	23307300000
1982-01-01	24055200000
1983-01-01	25953100000
1984-01-01	29100400000
1985-01-01	26757300000
1986-01-01	21803600000
1987-01-01	27599500000
1988-01-01	30691500000
1989-01-01	35171000000
1990-01-01	40710900000
1991-01-01	42687500000
1992-01-01	46195600000
1993-01-01	51886000000
1994-01-01	60882200000
1995-01-01	79637600000
1996-01-01	96150500000
1997-01-01	110581800000
1998-01-01	117737700000
1999-01-01	136560100000
2000-01-01	166395900000
2001-01-01	159035100000
2002-01-01	161277900000
2003-01-01	164986100000
2004-01-01	188294100000
2005-01-01	214632900000
2006-01-01	250319000000
2007-01-01	272293000000
2008-01-01	291886300000
2009-01-01	229975000000
2010-01-01	298859800000
2011-01-01	350004100000
2012-01-01	371441800000
2013-01-01	380729000000
2014-01-01	397649500000
2015-01-01	381049300000
2016-01-01	374286500000