Year US Dollars, Sum Over Component Sub-periods 1994-01-01 689570000.0000000 1995-01-01 2065719999.9999998 1996-01-01 2579320000.0000000 1997-01-01 4864640000.0000000 1998-01-01 2761260000.0000000 1999-01-01 3309430000.0000000 2000-01-01 2714230000.0000000 2001-01-01 2748290000.0000000 2002-01-01 3461130000.0000000 2003-01-01 7958120000.0000000 2004-01-01 15444370000.0000000 2005-01-01 12885810000.0000000 2006-01-01 29701430000.0000000 2007-01-01 55073200000.0000000 2008-01-01 75002420000.0000000 2009-01-01 36499630000.0000000 2010-01-01 43287700000.0000000 2011-01-01 52878480000.0000000