Quarter	US dollars
1999-09-30	2735
1999-12-31	2605
2000-03-31	2940
2000-06-30	3516
2000-09-30	3190
2000-12-31	2552
2001-03-31	2622
2001-06-30	3637
2001-09-30	3888
2001-12-31	2569
2002-03-31	2694
2002-06-30	3601
2002-09-30	2662
2002-12-31	2123
2003-03-31	2586
2003-06-30	2345
2003-09-30	1553
2003-12-31	1416
2004-03-31	1483
2004-06-30	1990
2004-09-30	2305