Quarter	US dollars
1999-09-30	2822
1999-12-31	1441
2000-03-31	1377
2000-06-30	1488
2000-09-30	1468
2000-12-31	1692
2001-03-31	1642
2001-06-30	2251
2001-09-30	2349
2001-12-31	2493
2002-03-31	3583
2002-06-30	3123
2002-09-30	3328
2002-12-31	3778
2003-03-31	4119
2003-06-30	4002
2003-09-30	4373
2003-12-31	1631
2004-03-31	1327
2004-06-30	1344
2004-09-30	1236