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 8 2001-09-30 9 2001-12-31 16 2002-03-31 0 2002-06-30 0 2002-09-30 14 2002-12-31 16 2003-03-31 16 2003-06-30 30 2003-09-30 93 2003-12-31 93 2004-03-31 88 2004-06-30 65 2004-09-30 52