Year US Dollars, Sum Over Component Sub-periods 1993-01-01 3709970000.000000 1994-01-01 4675970000.000000 1995-01-01 4877240000.000000 1996-01-01 6260720000.000000 1997-01-01 5415680000.000000 1998-01-01 5735120000.000000 1999-01-01 5854110000.000000 2000-01-01 5442370000.000000 2001-01-01 5568680000.000000 2002-01-01 6410010000.000000 2003-01-01 7308190000.000000 2004-01-01 8992290000.000000 2005-01-01 10264450000.000000 2006-01-01 11999360000.000000 2007-01-01 14421960000.000000 2008-01-01 17550150000.000000 2009-01-01 15477920000.000000 2010-01-01 17011509999.999998 2011-01-01 19879080000.000000 2012-01-01 19635310000.000000 2013-01-01 19708860000.000000