Quarter	US dollars
1999-09-30	1065
1999-12-31	1093
2000-03-31	1086
2000-06-30	1394
2000-09-30	1449
2000-12-31	1485
2001-03-31	1241
2001-06-30	1408
2001-09-30	1651
2001-12-31	1601
2002-03-31	1569
2002-06-30	2615
2002-09-30	2648
2002-12-31	3007
2003-03-31	3591
2003-06-30	2977
2003-09-30	3389
2003-12-31	4158
2004-03-31	4688
2004-06-30	1993
2004-09-30	2752