Quarter US dollars 2004-12-31 250 2005-03-31 123 2005-06-30 109 2005-09-30 113 2005-12-31 112 2006-03-31 123 2006-06-30 120 2006-09-30 136 2006-12-31 139 2007-03-31 145 2007-06-30 161 2007-09-30 169 2007-12-31 171 2008-03-31 189 2008-06-30 187 2008-09-30 89 2008-12-31 75 2009-03-31 66 2009-06-30 66 2009-09-30 75 2009-12-31 78 2010-03-31 94 2010-06-30 90 2010-09-30 98 2010-12-31 85 2011-03-31 88 2011-06-30 98 2011-09-30 97 2011-12-31 99 2012-03-31 109 2012-06-30 108 2012-09-30 118 2012-12-31 110 2013-03-31 123 2013-06-30 114 2013-09-30 113 2013-12-31 117 2014-03-31 152 2014-06-30 125 2014-09-30 141 2014-12-31 3 2015-03-31 147 2015-06-30 124 2015-09-30 112 2015-12-31 105 2016-03-31 141 2016-06-30 142 2016-09-30 138 2016-12-31 148 2017-03-31 163 2017-06-30 403 2017-09-30 433 2017-12-31 430 2018-03-31 456 2018-06-30 433 2018-09-30 412 2018-12-31 474 2019-03-31 489 2019-06-30 501 2019-09-30 484 2019-12-31 501 2020-03-31 543 2020-06-30 502 2020-09-30 507 2020-12-31 510 2021-03-31 604 2021-06-30 601 2021-09-30 662 2021-12-31 703 2022-03-31 728 2022-06-30 725 2022-09-30 741 2022-12-31 702 2023-03-31 736 2023-06-30 715 2023-09-30 711