Quarter	US dollars
1999-09-30	21
1999-12-31	19
2000-03-31	18
2000-06-30	24
2000-09-30	21
2000-12-31	33
2001-03-31	17
2001-06-30	25
2001-09-30	56
2001-12-31	49
2002-03-31	47
2002-06-30	44
2002-09-30	46
2002-12-31	40
2003-03-31	38
2003-06-30	12
2003-09-30	8
2003-12-31	50
2004-03-31	33
2004-06-30	27
2004-09-30	11