Year	US Dollars, Sum Over Component Sub-periods
1984-01-01	10331000000
1985-01-01	11230000000
1986-01-01	10664000000
1987-01-01	13551000000
1988-01-01	13706000000
1989-01-01	15999000000
1990-01-01	22581000000
1991-01-01	21007000000
1992-01-01	22791000000
1993-01-01	29426000000
1994-01-01	22273000000
1995-01-01	34788000000
1996-01-01	42331000000
1997-01-01	47158000000
1998-01-01	44779000000
1999-01-01	38802000000
2000-01-01	52882000000
2001-01-01	38092000000
2002-01-01	47109000000
2003-01-01	65883000000
2004-01-01	91271000000
2005-01-01	111445000000
2006-01-01	134671000000
2007-01-01	162213000000
2008-01-01	193821000000
2009-01-01	134497000000
2010-01-01	177315000000
2011-01-01	232533000000
2012-01-01	228552000000
2013-01-01	243394000000