Quarter US dollars 1999-09-30 0 1999-12-31 0 2000-03-31 0 2000-06-30 0 2000-09-30 0 2000-12-31 0 2001-03-31 0 2001-06-30 0 2001-09-30 0 2001-12-31 0 2002-03-31 0 2002-06-30 0 2002-09-30 2960 2002-12-31 3116 2003-03-31 3210 2003-06-30 3315 2003-09-30 3338 2003-12-31 3687 2004-03-31 3764 2004-06-30 4032 2004-09-30 4129