Quarter US dollars 1999-09-30 6405 1999-12-31 7604 2000-03-31 7086 2000-06-30 10478 2000-09-30 13364 2000-12-31 15345 2001-03-31 17736 2001-06-30 22843 2001-09-30 22947 2001-12-31 26320 2002-03-31 27825 2002-06-30 29940 2002-09-30 29192 2002-12-31 30055 2003-03-31 33610 2003-06-30 30980 2003-09-30 31911 2003-12-31 32288 2004-03-31 35743 2004-06-30 40295 2004-09-30 47520