Quarter	US dollars
2004-12-31	618
2005-03-31	592
2005-06-30	330
2005-09-30	320
2005-12-31	167
2006-03-31	66
2006-06-30	135
2006-09-30	95
2006-12-31	110
2007-03-31	67
2007-06-30	72
2007-09-30	84
2007-12-31	72
2008-03-31	95
2008-06-30	135
2008-09-30	66
2008-12-31	22
2009-03-31	23
2009-06-30	23
2009-09-30	32
2009-12-31	0
2010-03-31	2
2010-06-30	42
2010-09-30	0
2010-12-31	0
2011-03-31	0