Quarter	US dollars
2004-12-31	15
2005-03-31	4
2005-06-30	2
2005-09-30	2
2005-12-31	0
2006-03-31	-3
2006-06-30	-2
2006-09-30	-6
2006-12-31	-12
2007-03-31	-14
2007-06-30	-38
2007-09-30	-16
2007-12-31	-16
2008-03-31	-38
2008-06-30	-12
2008-09-30	30
2008-12-31	9
2009-03-31	26
2009-06-30	-51
2009-09-30	5
2009-12-31	-5
2010-03-31	0
2010-06-30	-9
2010-09-30	5
2010-12-31	6
2011-03-31	0