Year	US Dollars, Sum Over Component Sub-periods
1987-01-01	2434620000.0000000
1988-01-01	2811970000.0000000
1989-01-01	2651630000.0000000
1990-01-01	2762320000.0000000
1991-01-01	2866000000.0000000
1992-01-01	2929510000.0000000
1993-01-01	3190170000.0000000
1994-01-01	4116540000.0000000
1995-01-01	5102510000.0000000
1996-01-01	5346580000.0000000
1997-01-01	4864650000.0000000
1998-01-01	4244520000.0000005
1999-01-01	4977980000.0000000
2000-01-01	5085980000.0000000
2001-01-01	5189970000.0000000
2002-01-01	6405890000.0000000
2003-01-01	8066080000.0000000
2004-01-01	9620190000.0000000
2005-01-01	10141300000.0000000
2006-01-01	9713040000.0000000
2007-01-01	11585830000.0000000
2008-01-01	11440400000.0000000
2009-01-01	10088690000.0000000
2010-01-01	11384660000.0000000
2011-01-01	13022270000.0000000
2012-01-01	13138730000.0000000
2013-01-01	13223660000.0000000