Quarter US dollars 1999-09-30 3441 1999-12-31 3437 2000-03-31 3706 2000-06-30 3614 2000-09-30 3573 2000-12-31 4017 2001-03-31 4541 2001-06-30 5171 2001-09-30 6407 2001-12-31 6870 2002-03-31 7663 2002-06-30 8425 2002-09-30 8624 2002-12-31 10412 2003-03-31 11805 2003-06-30 12873 2003-09-30 15285 2003-12-31 17656 2004-03-31 21976 2004-06-30 23629 2004-09-30 21572