Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	556400000
1991-01-01	577200000
1992-01-01	586000000
1993-01-01	606700000
1994-01-01	639800000
1995-01-01	689300000
1996-01-01	766900000
1997-01-01	837500000
1998-01-01	950100000
1999-01-01	928300000
2000-01-01	1017800000
2001-01-01	1052800000
2002-01-01	1104700000
2003-01-01	1377500000
2004-01-01	1622900000
2005-01-01	2036100000
2006-01-01	1877000000
2007-01-01	2264200000
2008-01-01	2113400000
2009-01-01	2323500000
2010-01-01	2455200000
2011-01-01	2953400000
2012-01-01	2997600000
2013-01-01	3409800000