Quarter	US dollars
1999-09-30	4500
1999-12-31	4524
2000-03-31	3870
2000-06-30	13662
2000-09-30	12996
2000-12-31	11174
2001-03-31	8773
2001-06-30	9707
2001-09-30	11213
2001-12-31	10425
2002-03-31	7972
2002-06-30	11166
2002-09-30	11178
2002-12-31	14320
2003-03-31	15750
2003-06-30	12655
2003-09-30	13507
2003-12-31	12276
2004-03-31	13170
2004-06-30	6859
2004-09-30	4784