Quarter	US dollars
1999-09-30	3684
1999-12-31	3814
2000-03-31	4143
2000-06-30	3613
2000-09-30	2812
2000-12-31	2869
2001-03-31	3783
2001-06-30	2823
2001-09-30	3473
2001-12-31	4204
2002-03-31	4540
2002-06-30	4106
2002-09-30	3019
2002-12-31	2735
2003-03-31	2892
2003-06-30	2875
2003-09-30	2859
2003-12-31	3844
2004-03-31	3009
2004-06-30	3417
2004-09-30	3592