Quarter	US dollars
2004-12-31	964
2005-03-31	641
2005-06-30	563
2005-09-30	603
2005-12-31	536
2006-03-31	520
2006-06-30	605
2006-09-30	491
2006-12-31	507
2007-03-31	661
2007-06-30	865
2007-09-30	939
2007-12-31	842
2008-03-31	690
2008-06-30	710
2008-09-30	768
2008-12-31	592
2009-03-31	493
2009-06-30	489
2009-09-30	430
2009-12-31	342
2010-03-31	341
2010-06-30	827
2010-09-30	685
2010-12-31	348
2011-03-31	351
2011-06-30	366
2011-09-30	433
2011-12-31	387
2012-03-31	1499
2012-06-30	1526
2012-09-30	1570
2012-12-31	1547
2013-03-31	1504
2013-06-30	1590
2013-09-30	1527
2013-12-31	1802
2014-03-31	1819
2014-06-30	1799
2014-09-30	1743
2014-12-31	1778
2015-03-31	1802
2015-06-30	2119
2015-09-30	2089
2015-12-31	3076
2016-03-31	3523
2016-06-30	5815
2016-09-30	6785
2016-12-31	6587
2017-03-31	4876
2017-06-30	1652
2017-09-30	1650
2017-12-31	1514
2018-03-31	1777
2018-06-30	1991
2018-09-30	2064
2018-12-31	1872
2019-03-31	1420
2019-06-30	1171
2019-09-30	1101
2019-12-31	1276
2020-03-31	1460
2020-06-30	1434
2020-09-30	1192
2020-12-31	1503
2021-03-31	1410
2021-06-30	1067
2021-09-30	1204
2021-12-31	1210
2022-03-31	1107
2022-06-30	940
2022-09-30	690
2022-12-31	1303
2023-03-31	975
2023-06-30	984
2023-09-30	790