Quarter US dollars 2004-12-31 92 2005-03-31 93 2005-06-30 104 2005-09-30 85 2005-12-31 276 2006-03-31 236 2006-06-30 303 2006-09-30 245 2006-12-31 358 2007-03-31 532 2007-06-30 714 2007-09-30 837 2007-12-31 723 2008-03-31 853 2008-06-30 768 2008-09-30 711 2008-12-31 561 2009-03-31 463 2009-06-30 402 2009-09-30 366 2009-12-31 119 2010-03-31 150 2010-06-30 419 2010-09-30 134 2010-12-31 142 2011-03-31 143 2011-06-30 156 2011-09-30 198 2011-12-31 184 2012-03-31 144 2012-06-30 133 2012-09-30 131 2012-12-31 154 2013-03-31 131 2013-06-30 165 2013-09-30 170 2013-12-31 157 2014-03-31 145 2014-06-30 130 2014-09-30 136 2014-12-31 140 2015-03-31 59 2015-06-30 57 2015-09-30 65 2015-12-31 62 2016-03-31 49 2016-06-30 48 2016-09-30 60 2016-12-31 102 2017-03-31 148 2017-06-30 113 2017-09-30 89 2017-12-31 76 2018-03-31 83 2018-06-30 102 2018-09-30 80 2018-12-31 130 2019-03-31 164 2019-06-30 126 2019-09-30 124 2019-12-31 106 2020-03-31 96 2020-06-30 147 2020-09-30 123 2020-12-31 157 2021-03-31 117 2021-06-30 112 2021-09-30 129 2021-12-31 90 2022-03-31 107 2022-06-30 73 2022-09-30 64 2022-12-31 43 2023-03-31 118 2023-06-30 100 2023-09-30 90