Quarter US dollars 2004-12-31 758 2005-03-31 635 2005-06-30 190 2005-09-30 50 2005-12-31 -43 2006-03-31 2 2006-06-30 131 2006-09-30 112 2006-12-31 22 2007-03-31 88 2007-06-30 24 2007-09-30 53 2007-12-31 58 2008-03-31 56 2008-06-30 66 2008-09-30 112 2008-12-31 101 2009-03-31 113 2009-06-30 158 2009-09-30 168 2009-12-31 160 2010-03-31 153 2010-06-30 145 2010-09-30 39 2010-12-31 142 2011-03-31 120