Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	21180000
1994-01-01	-164880000
1995-01-01	-157900000
1996-01-01	-399290000
1997-01-01	-562670000
1998-01-01	-480690000
1999-01-01	-245820000
2000-01-01	-305210000
2001-01-01	-322990000
2002-01-01	-777070000
2003-01-01	-1112600000
2004-01-01	-1360370000
2005-01-01	-1387630000
2006-01-01	-2576920000
2007-01-01	-3506640000
2008-01-01	-2174250000
2009-01-01	531360000
2010-01-01	540950000
2011-01-01	405330000
2012-01-01	-398580000
2013-01-01	-269750000