Quarter	US dollars
1999-09-30	1759
1999-12-31	1527
2000-03-31	2401
2000-06-30	2341
2000-09-30	2291
2000-12-31	2477
2001-03-31	3642
2001-06-30	3533
2001-09-30	3407
2001-12-31	3574
2002-03-31	3281
2002-06-30	3773
2002-09-30	4744
2002-12-31	3868
2003-03-31	4293
2003-06-30	3545
2003-09-30	4747
2003-12-31	4494
2004-03-31	5271
2004-06-30	5151
2004-09-30	5958