Quarter	US dollars
1999-09-30	2119
1999-12-31	1949
2000-03-31	2391
2000-06-30	2545
2000-09-30	1996
2000-12-31	2434
2001-03-31	3139
2001-06-30	2570
2001-09-30	2552
2001-12-31	2397
2002-03-31	2347
2002-06-30	2698
2002-09-30	2563
2002-12-31	2572
2003-03-31	2850
2003-06-30	2690
2003-09-30	3118
2003-12-31	3937
2004-03-31	3634
2004-06-30	4349
2004-09-30	4457