Quarter US dollars 1999-09-30 22727 1999-12-31 23028 2000-03-31 22687 2000-06-30 23932 2000-09-30 22825 2000-12-31 36269 2001-03-31 35307 2001-06-30 32106 2001-09-30 38108 2001-12-31 34929 2002-03-31 33207 2002-06-30 38723 2002-09-30 44983 2002-12-31 49261 2003-03-31 56542 2003-06-30 64878 2003-09-30 71065 2003-12-31 70845 2004-03-31 81060 2004-06-30 71284 2004-09-30 91369