Quarter US dollars 2004-12-31 405 2005-03-31 1346 2005-06-30 315 2005-09-30 1429 2005-12-31 381 2006-03-31 1209 2006-06-30 501 2006-09-30 1579 2006-12-31 446 2007-03-31 1724 2007-06-30 785 2007-09-30 2659 2007-12-31 354 2008-03-31 1012 2008-06-30 253 2008-09-30 1677 2008-12-31 847 2009-03-31 959 2009-06-30 993 2009-09-30 1009 2009-12-31 1190 2010-03-31 1227 2010-06-30 1418 2010-09-30 1393 2010-12-31 1339 2011-03-31 1470 2011-06-30 1016 2011-09-30 1369 2011-12-31 1051 2012-03-31 943 2012-06-30 1172 2012-09-30 785 2012-12-31 686 2013-03-31 1061 2013-06-30 884 2013-09-30 751 2013-12-31 764 2014-03-31 670 2014-06-30 554 2014-09-30 942 2014-12-31 835 2015-03-31 817 2015-06-30 805 2015-09-30 603 2015-12-31 614 2016-03-31 689 2016-06-30 724 2016-09-30 560 2016-12-31 611 2017-03-31 553 2017-06-30 607 2017-09-30 491 2017-12-31 404 2018-03-31 623 2018-06-30 372 2018-09-30 515 2018-12-31 397 2019-03-31 367 2019-06-30 1595 2019-09-30 626 2019-12-31 695 2020-03-31 1017 2020-06-30 625 2020-09-30 795 2020-12-31 4398 2021-03-31 2261 2021-06-30 1332 2021-09-30 996 2021-12-31 7542 2022-03-31 4350 2022-06-30 2781 2022-09-30 6366 2022-12-31 3458 2023-03-31 6107 2023-06-30 6973 2023-09-30 4290