Quarter	US dollars
1999-09-30	608
1999-12-31	572
2000-03-31	531
2000-06-30	436
2000-09-30	395
2000-12-31	507
2001-03-31	479
2001-06-30	453
2001-09-30	450
2001-12-31	508
2002-03-31	594
2002-06-30	761
2002-09-30	528
2002-12-31	679
2003-03-31	691
2003-06-30	645
2003-09-30	713
2003-12-31	714
2004-03-31	754
2004-06-30	753
2004-09-30	736