Year US Dollars, Sum Over Component Sub-periods 1990-01-01 23301800000.00000 1991-01-01 23607800000.00000 1992-01-01 28082100000.00000 1993-01-01 28479800000.00000 1994-01-01 33482400000.00000 1995-01-01 44355200000.00000 1996-01-01 49126000000.00000 1997-01-01 55290200000.00000 1998-01-01 61302600000.00000 1999-01-01 67909100000.00001 2000-01-01 73699500000.00000 2001-01-01 77635300000.00000 2002-01-01 84344500000.00000 2003-01-01 88474100000.00000 2004-01-01 100071800000.00000 2005-01-01 102764100000.00000 2006-01-01 104475100000.00000 2007-01-01 115100200000.00000 2008-01-01 118478200000.00000 2009-01-01 107870200000.00000 2010-01-01 109406900000.00000 2011-01-01 118203400000.00000 2012-01-01 110348700000.00000 2013-01-01 108729900000.00000