Quarter	US dollars
2004-12-31	635
2005-03-31	711
2005-06-30	665
2005-09-30	791
2005-12-31	518
2006-03-31	617
2006-06-30	492
2006-09-30	678
2006-12-31	1188
2007-03-31	902
2007-06-30	979
2007-09-30	1495
2007-12-31	1909
2008-03-31	2262
2008-06-30	2515
2008-09-30	2784
2008-12-31	2023
2009-03-31	2547
2009-06-30	3134
2009-09-30	2852
2009-12-31	3191
2010-03-31	3813
2010-06-30	4550
2010-09-30	6578
2010-12-31	4892
2011-03-31	5468
2011-06-30	6840
2011-09-30	5351
2011-12-31	5538
2012-03-31	6476
2012-06-30	7151
2012-09-30	5048
2012-12-31	5673
2013-03-31	6979
2013-06-30	6871
2013-09-30	8047
2013-12-31	8608
2014-03-31	8352
2014-06-30	7167
2014-09-30	8424
2014-12-31	8524
2015-03-31	8838
2015-06-30	6115
2015-09-30	5165
2015-12-31	4413
2016-03-31	4124
2016-06-30	4198
2016-09-30	3611
2016-12-31	3830
2017-03-31	3612
2017-06-30	2863
2017-09-30	2992
2017-12-31	3757
2018-03-31	3775
2018-06-30	3574
2018-09-30	5649
2018-12-31	5574
2019-03-31	5030
2019-06-30	6391
2019-09-30	9539
2019-12-31	6791
2020-03-31	7883
2020-06-30	4119
2020-09-30	3359
2020-12-31	7571
2021-03-31	6197
2021-06-30	5919
2021-09-30	4552
2021-12-31	17420
2022-03-31	10136
2022-06-30	3841
2022-09-30	15683
2022-12-31	15465
2023-03-31	17151
2023-06-30	17245
2023-09-30	6670