Quarter	US dollars
1999-09-30	820
1999-12-31	1356
2000-03-31	2168
2000-06-30	2323
2000-09-30	2138
2000-12-31	2509
2001-03-31	2809
2001-06-30	3242
2001-09-30	3043
2001-12-31	3269
2002-03-31	3294
2002-06-30	3711
2002-09-30	4016
2002-12-31	4005
2003-03-31	4008
2003-06-30	4432
2003-09-30	4567
2003-12-31	4797
2004-03-31	5177
2004-06-30	5158
2004-09-30	4963