Year US Dollars, Sum Over Component Sub-periods 1982-01-01 6362020000.000000 1983-01-01 5768810000.000000 1984-01-01 5891880000.000000 1985-01-01 6231840000.000000 1986-01-01 7953540000.000000 1987-01-01 9980770000.000000 1988-01-01 11885140000.000000 1989-01-01 13114680000.000000 1990-01-01 16434599999.999998 1991-01-01 16557040000.000000 1992-01-01 18235820000.000000 1993-01-01 12707210000.000000 1994-01-01 14021020000.000000 1995-01-01 16766529999.999998 1996-01-01 18352370000.000000 1997-01-01 19702170000.000000 1998-01-01 21353040000.000000 1999-01-01 23250980000.000000 2000-01-01 24595590000.000000 2001-01-01 24163840000.000000 2002-01-01 24758750000.000000 2003-01-01 28559750000.000000 2004-01-01 32752470000.000000 2005-01-01 35139240000.000000 2006-01-01 38334920000.000000 2007-01-01 46246360000.000000 2008-01-01 52676630000.000000 2009-01-01 44702740000.000000 2010-01-01 46964200000.000000 2011-01-01 54476710000.000000 2012-01-01 54999230000.000000 2013-01-01 59428210000.000000