Year US Dollars, Sum Over Component Sub-periods 1996-01-01 49041470000.00000 1997-01-01 61176660000.00000 1998-01-01 59375550000.00000 1999-01-01 49238080000.00000 2000-01-01 50984560000.00000 2001-01-01 54692760000.00000 2002-01-01 67535950000.00000 2003-01-01 86182810000.00000 2004-01-01 136858489999.99998 2005-01-01 167799630000.00000 2006-01-01 213635970000.00000 2007-01-01 279877450000.00000 2008-01-01 315348190000.00000 2009-01-01 283878140000.00000 2010-01-01 316088480000.00000 2011-01-01 389945360000.00000 2012-01-01 387813070000.00000 2013-01-01 438608100000.00000