Quarter	US dollars
2004-12-31	23
2005-03-31	74
2005-06-30	39
2005-09-30	39
2005-12-31	53
2006-03-31	66
2006-06-30	68
2006-09-30	80
2006-12-31	84
2007-03-31	96
2007-06-30	56
2007-09-30	63
2007-12-31	44
2008-03-31	44
2008-06-30	42
2008-09-30	43
2008-12-31	39
2009-03-31	32
2009-06-30	35
2009-09-30	34
2009-12-31	34
2010-03-31	32
2010-06-30	34
2010-09-30	38
2010-12-31	78
2011-03-31	75