Quarter	US dollars
2004-12-31	271
2005-03-31	321
2005-06-30	265
2005-09-30	276
2005-12-31	225
2006-03-31	1053
2006-06-30	564
2006-09-30	426
2006-12-31	1207
2007-03-31	1504
2007-06-30	2329
2007-09-30	1506
2007-12-31	1796
2008-03-31	1640
2008-06-30	1118
2008-09-30	904
2008-12-31	883
2009-03-31	739
2009-06-30	835
2009-09-30	827
2009-12-31	896
2010-03-31	996
2010-06-30	1978
2010-09-30	1854
2010-12-31	2574
2011-03-31	1693
2011-06-30	1350
2011-09-30	949
2011-12-31	727
2012-03-31	481
2012-06-30	218
2012-09-30	292
2012-12-31	285
2013-03-31	194
2013-06-30	309
2013-09-30	194
2013-12-31	512
2014-03-31	275
2014-06-30	332
2014-09-30	105
2014-12-31	92
2015-03-31	137
2015-06-30	167
2015-09-30	188
2015-12-31	107
2016-03-31	46
2016-06-30	62
2016-09-30	83
2016-12-31	47
2017-03-31	39
2017-06-30	175
2017-09-30	136
2017-12-31	177
2018-03-31	111
2018-06-30	112
2018-09-30	177
2018-12-31	171
2019-03-31	150
2019-06-30	624
2019-09-30	1108
2019-12-31	951
2020-03-31	907
2020-06-30	861
2020-09-30	902
2020-12-31	1459
2021-03-31	1748
2021-06-30	1469
2021-09-30	1526
2021-12-31	1821
2022-03-31	2124
2022-06-30	1041
2022-09-30	1078
2022-12-31	1460
2023-03-31	1398
2023-06-30	1586
2023-09-30	1084