Quarter	US dollars
2004-12-31	449
2005-03-31	681
2005-06-30	624
2005-09-30	538
2005-12-31	630
2006-03-31	565
2006-06-30	631
2006-09-30	562
2006-12-31	524
2007-03-31	771
2007-06-30	490
2007-09-30	387
2007-12-31	394
2008-03-31	399
2008-06-30	386
2008-09-30	344
2008-12-31	265
2009-03-31	282
2009-06-30	321
2009-09-30	304
2009-12-31	302
2010-03-31	702
2010-06-30	797
2010-09-30	520
2010-12-31	421
2011-03-31	351
2011-06-30	398
2011-09-30	301
2011-12-31	255
2012-03-31	238
2012-06-30	1404
2012-09-30	1294
2012-12-31	1496
2013-03-31	1535
2013-06-30	1544
2013-09-30	1670
2013-12-31	1684
2014-03-31	1699
2014-06-30	1631
2014-09-30	1581
2014-12-31	1071
2015-03-31	992
2015-06-30	1043
2015-09-30	1021
2015-12-31	993
2016-03-31	968
2016-06-30	923
2016-09-30	922
2016-12-31	919
2017-03-31	948
2017-06-30	937
2017-09-30	908
2017-12-31	931
2018-03-31	932
2018-06-30	922
2018-09-30	956
2018-12-31	816
2019-03-31	115
2019-06-30	112
2019-09-30	1093
2019-12-31	66
2020-03-31	43
2020-06-30	53
2020-09-30	44
2020-12-31	49
2021-03-31	37
2021-06-30	41
2021-09-30	35
2021-12-31	39
2022-03-31	42
2022-06-30	53
2022-09-30	50
2022-12-31	52
2023-03-31	53
2023-06-30	58
2023-09-30	56