Year	US Dollars, Sum Over Component Sub-periods
1988-01-01	2397100000.000000
1989-01-01	2656300000.000000
1990-01-01	4980600000.000000
1991-01-01	5115000000.000000
1992-01-01	7420500000.000000
1993-01-01	7816200000.000000
1994-01-01	7587200000.000000
1995-01-01	6660400000.000000
1996-01-01	7713000000.000000
1997-01-01	5816900000.000000
1998-01-01	3917600000.000000
1999-01-01	6811800000.000000
2000-01-01	6808200000.000000
2001-01-01	6956800000.000000
2002-01-01	8258700000.000001
2003-01-01	10023400000.000000
2004-01-01	9206900000.000000
2005-01-01	7460900000.000000
2006-01-01	3061400000.000000
2007-01-01	393600000.000000
2008-01-01	833100000.000000
2009-01-01	8835300000.000000
2010-01-01	9494000000.000000
2011-01-01	10326300000.000000
2012-01-01	8238600000.000000
2013-01-01	8744400000.000000