Quarter	US dollars
1999-09-30	440
1999-12-31	271
2000-03-31	338
2000-06-30	382
2000-09-30	429
2000-12-31	477
2001-03-31	469
2001-06-30	475
2001-09-30	397
2001-12-31	524
2002-03-31	548
2002-06-30	575
2002-09-30	522
2002-12-31	494
2003-03-31	560
2003-06-30	609
2003-09-30	618
2003-12-31	645
2004-03-31	735
2004-06-30	687
2004-09-30	637