Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	78870500000
1996-01-01	81863200000
1997-01-01	80931100000
1998-01-01	84799500000
1999-01-01	81718600000
2000-01-01	82840600000
2001-01-01	82383500000
2002-01-01	88349900000
2003-01-01	101548500000
2004-01-01	114837100000
2005-01-01	122260300000
2006-01-01	128643600000
2007-01-01	149263800000
2008-01-01	165049600000
2009-01-01	190715400000
2010-01-01	196306600000
2011-01-01	235564100000
2012-01-01	216305500000
2013-01-01	237016500000