Quarter	US dollars
2004-12-31	342
2005-03-31	433
2005-06-30	394
2005-09-30	394
2005-12-31	548
2006-03-31	557
2006-06-30	1100
2006-09-30	546
2006-12-31	640
2007-03-31	900
2007-06-30	762
2007-09-30	599
2007-12-31	667
2008-03-31	511
2008-06-30	531
2008-09-30	595
2008-12-31	1702
2009-03-31	3538
2009-06-30	3616
2009-09-30	1142
2009-12-31	1324
2010-03-31	1389
2010-06-30	2897
2010-09-30	2526
2010-12-31	2142
2011-03-31	1553