Quarter	US dollars
2004-06-30	75
2004-09-30	52
2004-12-31	39
2005-03-31	32
2005-06-30	20
2005-09-30	20
2005-12-31	20
2006-03-31	21
2006-06-30	20
2006-09-30	21
2006-12-31	46
2007-03-31	22