Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	902000000
1996-01-01	905000000
1997-01-01	842000000
1998-01-01	645000000
1999-01-01	434000000
2000-01-01	527000000
2001-01-01	529000000
2002-01-01	618000000
2003-01-01	625000000
2004-01-01	857000000
2005-01-01	1144000000
2006-01-01	1245000000
2007-01-01	1434000000
2008-01-01	2088000000
2009-01-01	1619000000
2010-01-01	1696000000
2011-01-01	2053000000
2012-01-01	2211000000
2013-01-01	2602000000