Quarter US dollars 2004-12-31 40 2005-03-31 34 2005-06-30 0 2005-09-30 19 2005-12-31 19 2006-03-31 0 2006-06-30 0 2006-09-30 0 2006-12-31 4 2007-03-31 4 2007-06-30 217 2007-09-30 226 2007-12-31 44 2008-03-31 24 2008-06-30 42 2008-09-30 144 2008-12-31 24 2009-03-31 0 2009-06-30 28 2009-09-30 48 2009-12-31 121 2010-03-31 103 2010-06-30 127 2010-09-30 681 2010-12-31 695 2011-03-31 175 2011-06-30 92 2011-09-30 137 2011-12-31 128 2012-03-31 32 2012-06-30 66 2012-09-30 16 2012-12-31 3 2013-03-31 3 2013-06-30 27 2013-09-30 0 2013-12-31 107 2014-03-31 223 2014-06-30 135 2014-09-30 13 2014-12-31 0 2015-03-31 24 2015-06-30 17 2015-09-30 15 2015-12-31 1 2016-03-31 6 2016-06-30 0 2016-09-30 0 2016-12-31 0 2017-03-31 3 2017-06-30 10 2017-09-30 21 2017-12-31 23 2018-03-31 28 2018-06-30 26 2018-09-30 18 2018-12-31 14 2019-03-31 16 2019-06-30 18 2019-09-30 16 2019-12-31 12 2020-03-31 162 2020-06-30 115 2020-09-30 67 2020-12-31 97 2021-03-31 50 2021-06-30 76 2021-09-30 151 2021-12-31 101 2022-03-31 32 2022-06-30 74 2022-09-30 70 2022-12-31 22 2023-03-31 269 2023-06-30 314 2023-09-30 166