Year	US Dollars, Sum Over Component Sub-periods
1982-01-01	26510900000
1983-01-01	27204090000
1984-01-01	29100620000
1985-01-01	29994260000
1986-01-01	36814550000
1987-01-01	43911320000
1988-01-01	49256620000
1989-01-01	51045210000
1990-01-01	56779660000
1991-01-01	54387880000
1992-01-01	55481130000
1993-01-01	49512300000
1994-01-01	60210830000
1995-01-01	80990030000
1996-01-01	85225470000
1997-01-01	84113460000
1998-01-01	85797070000
1999-01-01	85438960000
2000-01-01	88948280000
2001-01-01	79837680000
2002-01-01	82840500000
2003-01-01	102396530000
2004-01-01	123053980000
2005-01-01	131898320000
2006-01-01	150765450000
2007-01-01	171856520000
2008-01-01	185212150000
2009-01-01	132175000000
2010-01-01	159993380000
2011-01-01	188936580000
2012-01-01	176259950000
2013-01-01	170254120000