Quarter	US dollars
1999-09-30	2256
1999-12-31	2497
2000-03-31	2895
2000-06-30	3251
2000-09-30	3031
2000-12-31	3370
2001-03-31	3445
2001-06-30	3726
2001-09-30	3203
2001-12-31	3655
2002-03-31	4697
2002-06-30	4930
2002-09-30	5776
2002-12-31	7267
2003-03-31	7640
2003-06-30	7314
2003-09-30	5556
2003-12-31	6555
2004-03-31	7364
2004-06-30	3874
2004-09-30	4695