Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	4743830000
1996-01-01	3293670000
1997-01-01	3709090000
1998-01-01	3067310000
1999-01-01	3061270000
2000-01-01	2181610000
2001-01-01	3579650000
2002-01-01	2730420000
2003-01-01	516630000
2004-01-01	3167580000
2005-01-01	5398110000
2006-01-01	2850460000
2007-01-01	377270000
2008-01-01	3798730000
2009-01-01	213340000
2010-01-01	1054060000
2011-01-01	1377030000
2012-01-01	2701770000
2013-01-01	891160000