Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	2509720000
1996-01-01	2307780000
1997-01-01	1925710000
1998-01-01	1776200000
1999-01-01	1771340000
2000-01-01	2680570000
2001-01-01	1769730000
2002-01-01	2380610000
2003-01-01	2375800000
2004-01-01	4043090000
2005-01-01	4343130000
2006-01-01	4413510000
2007-01-01	5179820000
2008-01-01	2926790000
2009-01-01	3589850000
2010-01-01	4007690000
2011-01-01	3855960000
2012-01-01	3211100000
2013-01-01	3133950000