Quarter	US dollars
1999-09-30	8431
1999-12-31	6555
2000-03-31	5872
2000-06-30	6076
2000-09-30	6707
2000-12-31	5708
2001-03-31	6644
2001-06-30	5742
2001-09-30	6300
2001-12-31	5412
2002-03-31	4791
2002-06-30	4461
2002-09-30	4402
2002-12-31	4122
2003-03-31	4057
2003-06-30	4622
2003-09-30	4602
2003-12-31	5146
2004-03-31	5403
2004-06-30	5595
2004-09-30	5345