Quarter US dollars 2004-12-31 140 2005-03-31 208 2005-06-30 179 2005-09-30 166 2005-12-31 89 2006-03-31 135 2006-06-30 137 2006-09-30 118 2006-12-31 112 2007-03-31 49 2007-06-30 377 2007-09-30 391 2007-12-31 416 2008-03-31 302 2008-06-30 94 2008-09-30 299 2008-12-31 344 2009-03-31 318 2009-06-30 331 2009-09-30 181 2009-12-31 124 2010-03-31 344 2010-06-30 483 2010-09-30 402 2010-12-31 280 2011-03-31 168 2011-06-30 223 2011-09-30 277 2011-12-31 383 2012-03-31 270 2012-06-30 220 2012-09-30 654 2012-12-31 336 2013-03-31 264 2013-06-30 217 2013-09-30 193 2013-12-31 33 2014-03-31 27 2014-06-30 44 2014-09-30 81 2014-12-31 50 2015-03-31 34 2015-06-30 131 2015-09-30 141 2015-12-31 65 2016-03-31 72 2016-06-30 9 2016-09-30 49 2016-12-31 20 2017-03-31 25 2017-06-30 47 2017-09-30 72 2017-12-31 82 2018-03-31 60 2018-06-30 58 2018-09-30 40 2018-12-31 2353 2019-03-31 2891 2019-06-30 1143 2019-09-30 1579 2019-12-31 688 2020-03-31 254 2020-06-30 258 2020-09-30 306 2020-12-31 340 2021-03-31 1331 2021-06-30 1338 2021-09-30 1149 2021-12-31 710 2022-03-31 241 2022-06-30 622 2022-09-30 601 2022-12-31 355 2023-03-31 1059 2023-06-30 1904 2023-09-30 1093