Quarter US dollars 1999-09-30 7716 1999-12-31 7907 2000-03-31 7938 2000-06-30 8352 2000-09-30 9084 2000-12-31 9697 2001-03-31 10623 2001-06-30 11201 2001-09-30 11282 2001-12-31 11575 2002-03-31 11445 2002-06-30 12125 2002-09-30 12541 2002-12-31 13425 2003-03-31 12249 2003-06-30 13665 2003-09-30 14464 2003-12-31 15071 2004-03-31 15146 2004-06-30 17149 2004-09-30 17211