Year	US Dollars, Sum Over Component Sub-periods
1985-01-01	21613600000
1986-01-01	23190200000
1987-01-01	28898800000
1988-01-01	35394000000
1989-01-01	40290100000
1990-01-01	41312700000
1991-01-01	44871100000
1992-01-01	49010500000
1993-01-01	53212200000
1994-01-01	58283100000
1995-01-01	65457700000
1996-01-01	67688800000
1997-01-01	69326800000
1998-01-01	62376200000
1999-01-01	60895800000
2000-01-01	69199400000
2001-01-01	64487600000
2002-01-01	65747500000
2003-01-01	77566700000
2004-01-01	97599600000
2005-01-01	110386200000
2006-01-01	117280500000
2007-01-01	129025400000
2008-01-01	148700800000
2009-01-01	128239800000
2010-01-01	141317300000
2011-01-01	145689000000
2012-01-01	145547900000
2013-01-01	146253900000