Year	US Dollars, Sum Over Component Sub-periods
1982-01-01	6684900000
1983-01-01	6446600000
1984-01-01	6438600000
1985-01-01	6199400000
1986-01-01	7470700000
1987-01-01	9406900000
1988-01-01	10731500000
1989-01-01	11758400000
1990-01-01	14025500000
1991-01-01	15181200000
1992-01-01	15913200000
1993-01-01	12805800000
1994-01-01	14188700000
1995-01-01	16367600000
1996-01-01	17484300000
1997-01-01	18348700000
1998-01-01	19715600000
1999-01-01	22149600000
2000-01-01	23089200000
2001-01-01	23635900000
2002-01-01	25357500000
2003-01-01	29663300000
2004-01-01	37609400000
2005-01-01	42441300000
2006-01-01	48780600000
2007-01-01	62077300000
2008-01-01	68766100000
2009-01-01	55799200000
2010-01-01	61179200000
2011-01-01	71414500000
2012-01-01	71685700000
2013-01-01	81880500000