Quarter US dollars 1999-09-30 2 1999-12-31 0 2000-03-31 0 2000-06-30 3 2000-09-30 6 2000-12-31 16 2001-03-31 47 2001-06-30 7 2001-09-30 18 2001-12-31 12 2002-03-31 3 2002-06-30 5 2002-09-30 8 2002-12-31 8 2003-03-31 0 2003-06-30 2 2003-09-30 5 2003-12-31 9 2004-03-31 17 2004-06-30 13 2004-09-30 22 2004-12-31 6 2005-03-31 8 2005-06-30 4 2005-09-30 21 2005-12-31 12 2006-03-31 23 2006-06-30 31 2006-09-30 19 2006-12-31 31 2007-03-31 35 2007-06-30 50 2007-09-30 35 2007-12-31 58 2008-03-31 141 2008-06-30 255 2008-09-30 219 2008-12-31 213 2009-03-31 205 2009-06-30 114 2009-09-30 37 2009-12-31 61 2010-03-31 52 2010-06-30 66 2010-09-30 47 2010-12-31 42 2011-03-31 279