Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	161073000000
1996-01-01	160970000000
1997-01-01	153928000000
1998-01-01	158123000000
1999-01-01	157273000000
2000-01-01	160754000000
2001-01-01	159509000000
2002-01-01	154881000000
2003-01-01	184490000000
2004-01-01	219977000000
2005-01-01	239897000000
2006-01-01	260376000000
2007-01-01	298957000000
2008-01-01	326052000000
2009-01-01	253260000000
2010-01-01	278947000000
2011-01-01	333110000000
2012-01-01	312114000000
2013-01-01	328792000000