Quarter	US dollars
1999-09-30	2702
1999-12-31	2834
2000-03-31	2804
2000-06-30	2794
2000-09-30	2659
2000-12-31	2555
2001-03-31	2516
2001-06-30	2684
2001-09-30	2791
2001-12-31	2863
2002-03-31	3093
2002-06-30	3445
2002-09-30	3318
2002-12-31	3028
2003-03-31	3185
2003-06-30	3251
2003-09-30	3499
2003-12-31	3481
2004-03-31	3255
2004-06-30	3983
2004-09-30	4428