Year US Dollars, Sum Over Component Sub-periods 1995-01-01 64531720000.00000 1996-01-01 66756710000.00001 1997-01-01 64217820000.00000 1998-01-01 67452679999.99999 1999-01-01 63112450000.00000 2000-01-01 65680820000.00001 2001-01-01 67104530000.00000 2002-01-01 72853210000.00000 2003-01-01 87485560000.00000 2004-01-01 99700310000.00000 2005-01-01 106967340000.00000 2006-01-01 113246280000.00000 2007-01-01 129512510000.00000 2008-01-01 140983170000.00000 2009-01-01 165265250000.00000 2010-01-01 167985020000.00000 2011-01-01 191776850000.00000 2012-01-01 174366220000.00000 2013-01-01 188898770000.00000