Quarter US dollars 2004-06-30 6 2004-09-30 6 2004-12-31 5 2005-03-31 85 2005-06-30 91 2005-09-30 112 2005-12-31 150 2006-03-31 158 2006-06-30 289 2006-09-30 268 2006-12-31 290 2007-03-31 182