Quarter	US dollars
1999-09-30	3516
1999-12-31	3097
2000-03-31	3344
2000-06-30	3286
2000-09-30	2977
2000-12-31	2863
2001-03-31	2245
2001-06-30	2488
2001-09-30	2411
2001-12-31	3645
2002-03-31	3785
2002-06-30	3685
2002-09-30	3607
2002-12-31	3845
2003-03-31	4206
2003-06-30	4739
2003-09-30	5312
2003-12-31	4859
2004-03-31	6071
2004-06-30	5142
2004-09-30	6461