Year	US Dollars, Sum Over Component Sub-periods
1991-01-01	9075530000
1992-01-01	10099240000
1993-01-01	11399710000
1994-01-01	11294770000
1995-01-01	16097400000
1996-01-01	17689570000
1997-01-01	20711070000
1998-01-01	25626030000
1999-01-01	27857440000
2000-01-01	31791640000
2001-01-01	33314670000
2002-01-01	36747070000
2003-01-01	46164600000
2004-01-01	59102400000
2005-01-01	64943600000
2006-01-01	76418420000
2007-01-01	93781070000
2008-01-01	106719270000
2009-01-01	76282010000
2010-01-01	85525750000
2011-01-01	99287670000
2012-01-01	92860040000
2013-01-01	97652040000