Quarter	US dollars
1999-09-30	1279
1999-12-31	1556
2000-03-31	1369
2000-06-30	1401
2000-09-30	1521
2000-12-31	1787
2001-03-31	2111
2001-06-30	2398
2001-09-30	2627
2001-12-31	3083
2002-03-31	3137
2002-06-30	3714
2002-09-30	3691
2002-12-31	4940
2003-03-31	5097
2003-06-30	4739
2003-09-30	4665
2003-12-31	5022
2004-03-31	5990
2004-06-30	5309
2004-09-30	3179