Quarter	US dollars
1999-09-30	1424
1999-12-31	1361
2000-03-31	2102
2000-06-30	1802
2000-09-30	2033
2000-12-31	1788
2001-03-31	1734
2001-06-30	2485
2001-09-30	2412
2001-12-31	2924
2002-03-31	2842
2002-06-30	3050
2002-09-30	2776
2002-12-31	3787
2003-03-31	3782
2003-06-30	3373
2003-09-30	4051
2003-12-31	4029
2004-03-31	3292
2004-06-30	4025
2004-09-30	4410