Year US Dollars, Sum Over Component Sub-periods 1990-01-01 84557500000 1991-01-01 90288800000 1992-01-01 96150500000 1993-01-01 76863500000 1994-01-01 88562300000 1995-01-01 112041400000 1996-01-01 118913400000 1997-01-01 121377300000 1998-01-01 133661100000 1999-01-01 144842800000 2000-01-01 152809000000 2001-01-01 152100600000 2002-01-01 161466000000 2003-01-01 202892800000 2004-01-01 251754000000 2005-01-01 281599900000 2006-01-01 325159900000 2007-01-01 388509500000 2008-01-01 407321900000 2009-01-01 285764400000 2010-01-01 320725200000 2011-01-01 367940900000 2012-01-01 331642000000 2013-01-01 332325200000