Quarter	US dollars
1999-09-30	5271
1999-12-31	5817
2000-03-31	6746
2000-06-30	6776
2000-09-30	7452
2000-12-31	8620
2001-03-31	10306
2001-06-30	11619
2001-09-30	11780
2001-12-31	12038
2002-03-31	13539
2002-06-30	15850
2002-09-30	15314
2002-12-31	16065
2003-03-31	15292
2003-06-30	17695
2003-09-30	16722
2003-12-31	20457
2004-03-31	21480
2004-06-30	18039
2004-09-30	16963