Year	US Dollars, Sum Over Component Sub-periods
1988-01-01	128539000000.00000
1989-01-01	143453950000.00000
1990-01-01	171495270000.00000
1991-01-01	171361220000.00000
1992-01-01	178327830000.00000
1993-01-01	140232700000.00000
1994-01-01	157287210000.00000
1995-01-01	170037480000.00000
1996-01-01	187857980000.00000
1997-01-01	192023480000.00000
1998-01-01	205861390000.00000
1999-01-01	212470580000.00000
2000-01-01	230871720000.00000
2001-01-01	229417760000.00000
2002-01-01	238925010000.00000
2003-01-01	286587820000.00000
2004-01-01	341043520000.00000
2005-01-01	371433990000.00000
2006-01-01	430480980000.00000
2007-01-01	496046860000.00000
2008-01-01	543689480000.00000
2009-01-01	404990040000.00000
2010-01-01	475252080000.00000
2011-01-01	547783079999.99994
2012-01-01	480491020000.00000
2013-01-01	470440860000.00000