Year US Dollars, Sum Over Component Sub-periods 1994-01-01 3414900000.000000 1995-01-01 4589000000.000000 1996-01-01 5158600000.000000 1997-01-01 5590400000.000000 1998-01-01 6808300000.000000 1999-01-01 5542300000.000000 2000-01-01 7550600000.000000 2001-01-01 9674300000.000000 2002-01-01 10348300000.000000 2003-01-01 14082700000.000000 2004-01-01 17120099999.999998 2005-01-01 26128600000.000000 2006-01-01 30926000000.000000 2007-01-01 42574800000.000000 2008-01-01 43824700000.000000 2009-01-01 27286500000.000000 2010-01-01 35009300000.000000 2011-01-01 39278700000.000000 2012-01-01 46632700000.000000 2013-01-01 42918200000.000000