Quarter	US dollars
1999-09-30	311
1999-12-31	298
2000-03-31	388
2000-06-30	471
2000-09-30	548
2000-12-31	544
2001-03-31	591
2001-06-30	577
2001-09-30	551
2001-12-31	525
2002-03-31	548
2002-06-30	575
2002-09-30	593
2002-12-31	612
2003-03-31	599
2003-06-30	450
2003-09-30	979
2003-12-31	532
2004-03-31	480
2004-06-30	682
2004-09-30	550