Year US Dollars, Sum Over Component Sub-periods 1993-01-01 14228960000.000000 1994-01-01 15926050000.000000 1995-01-01 21459950000.000000 1996-01-01 21944240000.000000 1997-01-01 22370900000.000000 1998-01-01 25842870000.000000 1999-01-01 26273460000.000000 2000-01-01 29016500000.000000 2001-01-01 33386489999.999996 2002-01-01 38322230000.000000 2003-01-01 48600290000.000000 2004-01-01 67043619999.999990 2005-01-01 71797260000.000000 2006-01-01 85427120000.000000 2007-01-01 106085690000.000000 2008-01-01 123936300000.000000 2009-01-01 98429100000.000000 2010-01-01 114001730000.000000 2011-01-01 136334160000.000000 2012-01-01 132912579999.999980 2013-01-01 135631700000.000020