Year	US Dollars, Sum Over Component Sub-periods
1992-01-01	17030439999.999998
1993-01-01	19185180000.000000
1994-01-01	20120350000.000000
1995-01-01	19316720000.000000
1996-01-01	19947000000.000000
1997-01-01	17922470000.000000
1998-01-01	18085800000.000000
1999-01-01	17260470000.000000
2000-01-01	16465660000.000000
2001-01-01	17571540000.000000
2002-01-01	18753840000.000000
2003-01-01	23761430000.000000
2004-01-01	27836490000.000000
2005-01-01	30550200000.000000
2006-01-01	33574610000.000000
2007-01-01	39138030000.000000
2008-01-01	42822580000.000000
2009-01-01	37064110000.000000
2010-01-01	36960560000.000000
2011-01-01	42277060000.000000
2012-01-01	42329930000.000000
2013-01-01	44717110000.000000