Quarter US dollars 2004-12-31 186 2005-03-31 159 2005-06-30 149 2005-09-30 122 2005-12-31 124 2006-03-31 118 2006-06-30 120 2006-09-30 120 2006-12-31 119 2007-03-31 106 2007-06-30 106 2007-09-30 118 2007-12-31 115 2008-03-31 117 2008-06-30 135 2008-09-30 127 2008-12-31 181 2009-03-31 115 2009-06-30 135 2009-09-30 104 2009-12-31 103 2010-03-31 103 2010-06-30 102 2010-09-30 101 2010-12-31 100 2011-03-31 96 2011-06-30 96 2011-09-30 92 2011-12-31 93 2012-03-31 86 2012-06-30 86 2012-09-30 84 2012-12-31 81 2013-03-31 73 2013-06-30 71 2013-09-30 68 2013-12-31 64 2014-03-31 65 2014-06-30 63 2014-09-30 58 2014-12-31 58 2015-03-31 52 2015-06-30 72 2015-09-30 44 2015-12-31 41 2016-03-31 32 2016-06-30 39 2016-09-30 34 2016-12-31 32 2017-03-31 29 2017-06-30 43 2017-09-30 31 2017-12-31 22 2018-03-31 3 2018-06-30 1 2018-09-30 1 2018-12-31 0 2019-03-31 0 2019-06-30 0 2019-09-30 0 2019-12-31 0 2020-03-31 4 2020-06-30 0 2020-09-30 1 2020-12-31 1 2021-03-31 0 2021-06-30 0 2021-09-30 0 2021-12-31 0 2022-03-31 186 2022-06-30 182 2022-09-30 184 2022-12-31 336 2023-03-31 336 2023-06-30 332 2023-09-30 368