Quarter US dollars 1999-09-30 4143 1999-12-31 4630 2000-03-31 4352 2000-06-30 4453 2000-09-30 5300 2000-12-31 5449 2001-03-31 5029 2001-06-30 4775 2001-09-30 5558 2001-12-31 4281 2002-03-31 5007 2002-06-30 4699 2002-09-30 5971 2002-12-31 6144 2003-03-31 6167 2003-06-30 5606 2003-09-30 5513 2003-12-31 6585 2004-03-31 6468 2004-06-30 7884 2004-09-30 8792