Quarter	US dollars
1999-09-30	2086
1999-12-31	1846
2000-03-31	2190
2000-06-30	2238
2000-09-30	3183
2000-12-31	4062
2001-03-31	3510
2001-06-30	4496
2001-09-30	4372
2001-12-31	5121
2002-03-31	4648
2002-06-30	4817
2002-09-30	4895
2002-12-31	4563
2003-03-31	4780
2003-06-30	5061
2003-09-30	4851
2003-12-31	4974
2004-03-31	5260
2004-06-30	5717
2004-09-30	6221