Quarter	US dollars
1999-09-30	3649
1999-12-31	4121
2000-03-31	5712
2000-06-30	4724
2000-09-30	5192
2000-12-31	5520
2001-03-31	4970
2001-06-30	4948
2001-09-30	4742
2001-12-31	4413
2002-03-31	4593
2002-06-30	4867
2002-09-30	5248
2002-12-31	5318
2003-03-31	5563
2003-06-30	4807
2003-09-30	6574
2003-12-31	6544
2004-03-31	8590
2004-06-30	9547
2004-09-30	10846