Quarter	US dollars
1999-09-30	613
1999-12-31	579
2000-03-31	616
2000-06-30	507
2000-09-30	690
2000-12-31	710
2001-03-31	738
2001-06-30	688
2001-09-30	679
2001-12-31	667
2002-03-31	648
2002-06-30	696
2002-09-30	532
2002-12-31	578
2003-03-31	610
2003-06-30	584
2003-09-30	324
2003-12-31	523
2004-03-31	390
2004-06-30	444
2004-09-30	505