Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	67227649999.99999
1995-01-01	82389520000.00000
1996-01-01	89524640000.00000
1997-01-01	86790720000.00000
1998-01-01	74693120000.00000
1999-01-01	75127760000.00000
2000-01-01	105080610000.00000
2001-01-01	102271070000.00000
2002-01-01	106994030000.00000
2003-01-01	135784820000.00000
2004-01-01	182518590000.00000
2005-01-01	242892930000.00000
2006-01-01	303121560000.00000
2007-01-01	352669350000.00000
2008-01-01	472245420000.00000
2009-01-01	301132880000.00000
2010-01-01	400455360000.00000
2011-01-01	521406080000.00000