Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	2509700000
1996-01-01	2307800000
1997-01-01	1925700000
1998-01-01	1776200000
1999-01-01	1771300000
2000-01-01	2680600000
2001-01-01	1769700000
2002-01-01	2380600000
2003-01-01	2375800000
2004-01-01	4043100000
2005-01-01	4343100000
2006-01-01	4413500000
2007-01-01	5179800000
2008-01-01	2926800000
2009-01-01	3589800000
2010-01-01	4007700000
2011-01-01	3856000000
2012-01-01	3211100000
2013-01-01	3134000000