Year	US Dollars, Sum Over Component Sub-periods
1985-01-01	22279000000
1986-01-01	29112000000
1987-01-01	49169000000
1988-01-01	75158000000
1989-01-01	102466000000
1990-01-01	122645000000
1991-01-01	141184000000
1992-01-01	142907000000
1993-01-01	148400000000
1994-01-01	155220000000
1995-01-01	192491000000
1996-01-01	112199000000
1997-01-01	111778000000
1998-01-01	100405000000
1999-01-01	92319000000
2000-01-01	97115000000
2001-01-01	103014000000
2002-01-01	91696000000
2003-01-01	95384000000
2004-01-01	113375000000
2005-01-01	141450000000
2006-01-01	166290000000
2007-01-01	200647000000
2008-01-01	215384000000
2009-01-01	180534000000
2010-01-01	181764000000
2011-01-01	227637000000
2012-01-01	235144000000
2013-01-01	222840000000