Quarter	US dollars
1999-09-30	772
1999-12-31	751
2000-03-31	986
2000-06-30	1072
2000-09-30	1064
2000-12-31	1094
2001-03-31	1372
2001-06-30	1581
2001-09-30	2020
2001-12-31	2048
2002-03-31	2173
2002-06-30	2559
2002-09-30	3117
2002-12-31	3609
2003-03-31	4419
2003-06-30	5479
2003-09-30	6106
2003-12-31	6931
2004-03-31	7012
2004-06-30	7237
2004-09-30	7516