Year US Dollars, Sum Over Component Sub-periods 1995-01-01 10708470000.00000 1996-01-01 12026710000.00000 1997-01-01 12712180000.00000 1998-01-01 14173510000.00000 1999-01-01 16906710000.00000 2000-01-01 20014370000.00000 2001-01-01 19752470000.00000 2002-01-01 20500070000.00000 2003-01-01 25432170000.00000 2004-01-01 33907720000.00000 2005-01-01 40402060000.00000 2006-01-01 50596850000.00000 2007-01-01 64731820000.00000 2008-01-01 67979479999.99999 2009-01-01 57737720000.00000 2010-01-01 63533270000.00000 2011-01-01 71837460000.00000 2012-01-01 74394290000.00000 2013-01-01 80125050000.00000