Quarter	US dollars
1999-09-30	1816
1999-12-31	1578
2000-03-31	2460
2000-06-30	2413
2000-09-30	2349
2000-12-31	2527
2001-03-31	3679
2001-06-30	3712
2001-09-30	3485
2001-12-31	3640
2002-03-31	3372
2002-06-30	3854
2002-09-30	4862
2002-12-31	3958
2003-03-31	4353
2003-06-30	3688
2003-09-30	4886
2003-12-31	4535
2004-03-31	5460
2004-06-30	5256
2004-09-30	6009