Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	8391000000
1996-01-01	8960000000
1997-01-01	9139000000
1998-01-01	9298000000
1999-01-01	10082000000
2000-01-01	12083000000
2001-01-01	11811000000
2002-01-01	10872000000
2003-01-01	11214000000
2004-01-01	12871000000
2005-01-01	13703000000
2006-01-01	15163000000
2007-01-01	17654000000
2008-01-01	20025000000
2009-01-01	17480000000
2010-01-01	18653000000
2011-01-01	20523000000
2012-01-01	21027000000
2013-01-01	20234000000
2014-01-01	21999000000