Quarter	US dollars
1999-09-30	2267
1999-12-31	2157
2000-03-31	2600
2000-06-30	2507
2000-09-30	2742
2000-12-31	3077
2001-03-31	3104
2001-06-30	2938
2001-09-30	3212
2001-12-31	2836
2002-03-31	3624
2002-06-30	3985
2002-09-30	3914
2002-12-31	4843
2003-03-31	4770
2003-06-30	5360
2003-09-30	4630
2003-12-31	5053
2004-03-31	4942
2004-06-30	4057
2004-09-30	3878