Quarter	US dollars
2004-12-31	422
2005-03-31	3064
2005-06-30	3262
2005-09-30	3598
2005-12-31	4731
2006-03-31	4865
2006-06-30	4276
2006-09-30	3441
2006-12-31	3701
2007-03-31	3754
2007-06-30	4165
2007-09-30	4525
2007-12-31	5495
2008-03-31	5177
2008-06-30	6675
2008-09-30	5705
2008-12-31	4796
2009-03-31	4321
2009-06-30	5126
2009-09-30	4502
2009-12-31	4465
2010-03-31	4587
2010-06-30	4999
2010-09-30	5831
2010-12-31	5351
2011-03-31	1260
2011-06-30	1691
2011-09-30	1455
2011-12-31	1254
2012-03-31	1283
2012-06-30	1437
2012-09-30	1497
2012-12-31	1914
2013-03-31	1922
2013-06-30	2193
2013-09-30	1598
2013-12-31	1631
2014-03-31	2192
2014-06-30	1527
2014-09-30	1409
2014-12-31	1533
2015-03-31	1485
2015-06-30	1077
2015-09-30	1103
2015-12-31	1037
2016-03-31	1192
2016-06-30	996
2016-09-30	585
2016-12-31	690
2017-03-31	492
2017-06-30	1040
2017-09-30	1080
2017-12-31	888
2018-03-31	1208
2018-06-30	886
2018-09-30	732
2018-12-31	1060
2019-03-31	1201
2019-06-30	1037
2019-09-30	765
2019-12-31	844
2020-03-31	698
2020-06-30	811
2020-09-30	556
2020-12-31	456
2021-03-31	421
2021-06-30	1075
2021-09-30	1087
2021-12-31	1075
2022-03-31	948
2022-06-30	727
2022-09-30	833
2022-12-31	721
2023-03-31	868
2023-06-30	792
2023-09-30	693