Quarter US dollars 2004-12-31 555 2005-03-31 743 2005-06-30 1013 2005-09-30 1389 2005-12-31 683 2006-03-31 916 2006-06-30 1376 2006-09-30 1982 2006-12-31 2010 2007-03-31 3819 2007-06-30 4825 2007-09-30 5540 2007-12-31 5811 2008-03-31 12994 2008-06-30 10800 2008-09-30 9634 2008-12-31 3305 2009-03-31 5963 2009-06-30 5523 2009-09-30 4249 2009-12-31 4673 2010-03-31 3690 2010-06-30 3040 2010-09-30 2913 2010-12-31 1786 2011-03-31 2127 2011-06-30 2399 2011-09-30 2117 2011-12-31 1671 2012-03-31 970 2012-06-30 1487 2012-09-30 1922 2012-12-31 1216 2013-03-31 1128 2013-06-30 2415 2013-09-30 1537 2013-12-31 1474 2014-03-31 745 2014-06-30 771 2014-09-30 945 2014-12-31 1867 2015-03-31 690 2015-06-30 1479 2015-09-30 1840 2015-12-31 951 2016-03-31 904 2016-06-30 517 2016-09-30 978 2016-12-31 655 2017-03-31 675 2017-06-30 1520 2017-09-30 339 2017-12-31 526 2018-03-31 188 2018-06-30 44 2018-09-30 44 2018-12-31 47 2019-03-31 53 2019-06-30 272 2019-09-30 240 2019-12-31 74 2020-03-31 419 2020-06-30 236 2020-09-30 346 2020-12-31 231 2021-03-31 1665 2021-06-30 781 2021-09-30 1255 2021-12-31 407 2022-03-31 592 2022-06-30 727 2022-09-30 1160 2022-12-31 1173 2023-03-31 1052 2023-06-30 1356 2023-09-30 1654