Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	529740000
1994-01-01	87000000
1995-01-01	45740000
1996-01-01	29650000
1997-01-01	0
1998-01-01	70470000
1999-01-01	160390000
2000-01-01	92060000
2001-01-01	77660000
2002-01-01	107330000
2003-01-01	101340000
2004-01-01	136780000
2005-01-01	-17970000
2006-01-01	-40950000
2007-01-01	459450000
2008-01-01	1136960000
2009-01-01	644520000
2010-01-01	1348790000
2011-01-01	1202960000
2012-01-01	1768070000
2013-01-01	1362340000