Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	252740000
1996-01-01	234750000
1997-01-01	401280000
1998-01-01	287050000
1999-01-01	71720000
2000-01-01	83300000
2001-01-01	248080000
2002-01-01	1551940000
2003-01-01	-174480000
2004-01-01	279400000
2005-01-01	-53470000
2006-01-01	-218030000
2007-01-01	-350180000
2008-01-01	478670000
2009-01-01	-921090000
2010-01-01	567120000
2011-01-01	880470000
2012-01-01	215420000
2013-01-01	-795700000