Quarter	US dollars
2004-12-31	394
2005-03-31	675
2005-06-30	604
2005-09-30	780
2005-12-31	649
2006-03-31	985
2006-06-30	830
2006-09-30	1659
2006-12-31	906
2007-03-31	965
2007-06-30	-78
2007-09-30	566
2007-12-31	1567
2008-03-31	316
2008-06-30	882
2008-09-30	741
2008-12-31	474
2009-03-31	800
2009-06-30	1296
2009-09-30	1457
2009-12-31	895
2010-03-31	740
2010-06-30	1794
2010-09-30	3729
2010-12-31	2693
2011-03-31	5352
2011-06-30	5644
2011-09-30	3335
2011-12-31	2720
2012-03-31	4243
2012-06-30	2980
2012-09-30	3143
2012-12-31	2674
2013-03-31	3268
2013-06-30	2709
2013-09-30	2278
2013-12-31	4577
2014-03-31	1094
2014-06-30	1392
2014-09-30	1490
2014-12-31	1753
2015-03-31	1359
2015-06-30	3031
2015-09-30	3046
2015-12-31	2507
2016-03-31	1114
2016-06-30	7645
2016-09-30	7310
2016-12-31	7041
2017-03-31	7585
2017-06-30	4168
2017-09-30	2426
2017-12-31	4572
2018-03-31	5137
2018-06-30	886
2018-09-30	871
2018-12-31	465
2019-03-31	860
2019-06-30	588
2019-09-30	450
2019-12-31	408
2020-03-31	434
2020-06-30	559
2020-09-30	479
2020-12-31	1111
2021-03-31	819
2021-06-30	761
2021-09-30	631
2021-12-31	624
2022-03-31	529
2022-06-30	546
2022-09-30	324
2022-12-31	467
2023-03-31	536
2023-06-30	787
2023-09-30	3690