Quarter US dollars 1999-09-30 13 1999-12-31 5 2000-03-31 8 2000-06-30 12 2000-09-30 9 2000-12-31 16 2001-03-31 18 2001-06-30 18 2001-09-30 31 2001-12-31 12 2002-03-31 7 2002-06-30 15 2002-09-30 11 2002-12-31 11 2003-03-31 8 2003-06-30 8 2003-09-30 5 2003-12-31 2 2004-03-31 4 2004-06-30 5 2004-09-30 31