Quarter	US dollars
2004-12-31	904
2005-03-31	762
2005-06-30	762
2005-09-30	499
2005-12-31	591
2006-03-31	623
2006-06-30	518
2006-09-30	665
2006-12-31	842
2007-03-31	951
2007-06-30	789
2007-09-30	945
2007-12-31	842
2008-03-31	1077
2008-06-30	519
2008-09-30	567
2008-12-31	631
2009-03-31	772
2009-06-30	733
2009-09-30	868
2009-12-31	1030
2010-03-31	1230
2010-06-30	3606
2010-09-30	3953
2010-12-31	4701
2011-03-31	4897
2011-06-30	4632
2011-09-30	4370
2011-12-31	4321
2012-03-31	5194
2012-06-30	4605
2012-09-30	4055
2012-12-31	4555
2013-03-31	4472
2013-06-30	4312
2013-09-30	4418
2013-12-31	2853
2014-03-31	3316
2014-06-30	3474
2014-09-30	3904
2014-12-31	2749
2015-03-31	3180
2015-06-30	2727
2015-09-30	2651
2015-12-31	2865
2016-03-31	3577
2016-06-30	4037
2016-09-30	4369
2016-12-31	3305
2017-03-31	5265
2017-06-30	4952
2017-09-30	4280
2017-12-31	4514
2018-03-31	5170
2018-06-30	5405
2018-09-30	5275
2018-12-31	5180
2019-03-31	5353
2019-06-30	5779
2019-09-30	4679
2019-12-31	4524
2020-03-31	4508
2020-06-30	5392
2020-09-30	4288
2020-12-31	5521
2021-03-31	4474
2021-06-30	4477
2021-09-30	4550
2021-12-31	4725
2022-03-31	4776
2022-06-30	3596
2022-09-30	2932
2022-12-31	2871
2023-03-31	3442
2023-06-30	3603
2023-09-30	3925