Quarter	US dollars
1999-09-30	5014
1999-12-31	4188
2000-03-31	4557
2000-06-30	4709
2000-09-30	4379
2000-12-31	5079
2001-03-31	5458
2001-06-30	4429
2001-09-30	4241
2001-12-31	4451
2002-03-31	4628
2002-06-30	4303
2002-09-30	4653
2002-12-31	5036
2003-03-31	5666
2003-06-30	5769
2003-09-30	6835
2003-12-31	7921
2004-03-31	7793
2004-06-30	8176
2004-09-30	8701