Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	564340000
1994-01-01	761900000
1995-01-01	2530900000
1996-01-01	1280380000
1997-01-01	1258670000
1998-01-01	3574950000
1999-01-01	6219910000
2000-01-01	4939410000
2001-01-01	5476450000
2002-01-01	8278670000
2003-01-01	1813620000
2004-01-01	3941200000
2005-01-01	11630140000
2006-01-01	4044330000
2007-01-01	8965690000
2008-01-01	2257010000
2009-01-01	1949840000
2010-01-01	4924890000
2011-01-01	2595710000
2012-01-01	6193460000
2013-01-01	1706310000