Quarter US dollars 2004-12-31 125 2005-03-31 106 2005-06-30 136 2005-09-30 147 2005-12-31 101 2006-03-31 165 2006-06-30 174 2006-09-30 163 2006-12-31 278 2007-03-31 353 2007-06-30 327 2007-09-30 312 2007-12-31 297 2008-03-31 334 2008-06-30 410 2008-09-30 278 2008-12-31 259 2009-03-31 218 2009-06-30 394 2009-09-30 478 2009-12-31 509 2010-03-31 557 2010-06-30 545 2010-09-30 681 2010-12-31 692 2011-03-31 588 2011-06-30 562 2011-09-30 570 2011-12-31 594 2012-03-31 588 2012-06-30 607 2012-09-30 522 2012-12-31 665 2013-03-31 686 2013-06-30 632 2013-09-30 727 2013-12-31 -3 2014-03-31 90 2014-06-30 97 2014-09-30 109 2014-12-31 97 2015-03-31 102 2015-06-30 98 2015-09-30 91 2015-12-31 90 2016-03-31 93 2016-06-30 89 2016-09-30 53 2016-12-31 114 2017-03-31 115 2017-06-30 95 2017-09-30 162 2017-12-31 174 2018-03-31 101 2018-06-30 104 2018-09-30 163 2018-12-31 148 2019-03-31 106 2019-06-30 97 2019-09-30 171 2019-12-31 131 2020-03-31 160 2020-06-30 145 2020-09-30 120 2020-12-31 93 2021-03-31 170 2021-06-30 232 2021-09-30 166 2021-12-31 286 2022-03-31 86 2022-06-30 183 2022-09-30 238 2022-12-31 111 2023-03-31 100 2023-06-30 21 2023-09-30 6