Year	US Dollars, Sum Over Component Sub-periods
1988-01-01	127816870000.00000
1989-01-01	140554610000.00000
1990-01-01	169826200000.00000
1991-01-01	169052950000.00000
1992-01-01	178109370000.00000
1993-01-01	169385320000.00000
1994-01-01	193159490000.00000
1995-01-01	209942330000.00000
1996-01-01	248032470000.00000
1997-01-01	239117930000.00000
1998-01-01	241382070000.00000
1999-01-01	235965010000.00000
2000-01-01	240419270000.00000
2001-01-01	245009300000.00000
2002-01-01	252155110000.00000
2003-01-01	297797060000.00000
2004-01-01	352044160000.00000
2005-01-01	372102630000.00000
2006-01-01	417674360000.00000
2007-01-01	500432980000.00000
2008-01-01	540576819999.99994
2009-01-01	406133410000.00000
2010-01-01	447547710000.00000
2011-01-01	523618740000.00000
2012-01-01	502386740000.00000
2013-01-01	519875500000.00000