Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	2704215697.47515
1991-01-01	2634035684.68351
1992-01-01	2651207036.79704
1993-01-01	2636042448.47342
1994-01-01	2497986675.45208
1995-01-01	2835735710.20899
1996-01-01	3581214024.71067
1997-01-01	3900337543.09541
1998-01-01	3940028873.32251
1999-01-01	4164161019.61136
2000-01-01	4067043369.45116
2001-01-01	4489125930.39089
2002-01-01	4680767495.55479
2003-01-01	4928738477.65155
2004-01-01	5756704305.99945
2005-01-01	7081737216.73945
2006-01-01	8415639371.72159
2007-01-01	8853931538.40784
2008-01-01	10395684857.18970
2009-01-01	8706102244.35261
2010-01-01	9206577744.70391
2011-01-01	9578162517.37647
2012-01-01	9755235132.72344
2013-01-01	11060793593.01060