Year US Dollars, Sum Over Component Sub-periods 1982-01-01 27646320000 1983-01-01 25943120000 1984-01-01 26300110000 1985-01-01 28306330000 1986-01-01 32486120000 1987-01-01 40364620000 1988-01-01 45430400000 1989-01-01 48712370000 1990-01-01 54273570000 1991-01-01 49330700000 1992-01-01 49216170000 1993-01-01 42213800000 1994-01-01 50852880000 1995-01-01 64081500000 1996-01-01 66481840000 1997-01-01 65090100000 1998-01-01 68627860000 1999-01-01 68660300000 2000-01-01 72963940000 2001-01-01 63796770000 2002-01-01 67225410000 2003-01-01 83839110000 2004-01-01 99965340000 2005-01-01 112340180000 2006-01-01 129153850000 2007-01-01 154098040000 2008-01-01 168160880000 2009-01-01 119895910000 2010-01-01 148319020000 2011-01-01 177399390000 2012-01-01 165094230000 2013-01-01 160375420000