Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	161072590000
1996-01-01	160970420000
1997-01-01	153928040000
1998-01-01	158122790000
1999-01-01	157273420000
2000-01-01	160753510000
2001-01-01	159509260000
2002-01-01	154881160000
2003-01-01	184490270000
2004-01-01	219976810000
2005-01-01	239897270000
2006-01-01	260376210000
2007-01-01	298957370000
2008-01-01	326052280000
2009-01-01	253260480000
2010-01-01	278946840000
2011-01-01	333110040000
2012-01-01	312114480000
2013-01-01	328798840000