Quarter	US dollars
1999-09-30	472531
1999-12-31	459171
2000-03-31	494301
2000-06-30	507435
2000-09-30	519809
2000-12-31	564542
2001-03-31	568152
2001-06-30	564589
2001-09-30	590701
2001-12-31	568815
2002-03-31	575319
2002-06-30	623175
2002-09-30	666067
2002-12-31	654605
2003-03-31	694432
2003-06-30	718318
2003-09-30	758357
2003-12-31	775533
2004-03-31	874900
2004-06-30	903330
2004-09-30	993641