Quarter	US dollars
1999-09-30	813
1999-12-31	775
2000-03-31	814
2000-06-30	765
2000-09-30	835
2000-12-31	852
2001-03-31	887
2001-06-30	833
2001-09-30	807
2001-12-31	569
2002-03-31	753
2002-06-30	635
2002-09-30	705
2002-12-31	665
2003-03-31	558
2003-06-30	380
2003-09-30	400
2003-12-31	473
2004-03-31	441
2004-06-30	424
2004-09-30	470