Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	29683000000
1996-01-01	29033000000
1997-01-01	27860000000
1998-01-01	29966000000
1999-01-01	31190000000
2000-01-01	32264000000
2001-01-01	33601000000
2002-01-01	35730000000
2003-01-01	42829000000
2004-01-01	49047000000
2005-01-01	51157000000
2006-01-01	53206000000
2007-01-01	68842000000
2008-01-01	84764000000
2009-01-01	75700000000
2010-01-01	81977000000
2011-01-01	88930000000
2012-01-01	91629000000
2013-01-01	97910000000