Quarter	US dollars
2004-12-31	624
2005-03-31	1044
2005-06-30	785
2005-09-30	989
2005-12-31	688
2006-03-31	737
2006-06-30	771
2006-09-30	1334
2006-12-31	2231
2007-03-31	1498
2007-06-30	1306
2007-09-30	1648
2007-12-31	1256
2008-03-31	2170
2008-06-30	2151
2008-09-30	1807
2008-12-31	1218
2009-03-31	1250
2009-06-30	10882
2009-09-30	12131
2009-12-31	12072
2010-03-31	15859
2010-06-30	15692
2010-09-30	16718
2010-12-31	19245
2011-03-31	23428
2011-06-30	24351
2011-09-30	20909
2011-12-31	20874
2012-03-31	25634
2012-06-30	21862
2012-09-30	23955
2012-12-31	26367
2013-03-31	20464
2013-06-30	18569
2013-09-30	17700
2013-12-31	20918
2014-03-31	21708
2014-06-30	21096
2014-09-30	20797
2014-12-31	21110
2015-03-31	19387
2015-06-30	15084
2015-09-30	11141
2015-12-31	12292
2016-03-31	14529
2016-06-30	10657
2016-09-30	11796
2016-12-31	8890
2017-03-31	10358
2017-06-30	10269
2017-09-30	10616
2017-12-31	11517
2018-03-31	12322
2018-06-30	11586
2018-09-30	11655
2018-12-31	11456
2019-03-31	12438
2019-06-30	13208
2019-09-30	11811
2019-12-31	8045
2020-03-31	6229
2020-06-30	8005
2020-09-30	7535
2020-12-31	9547
2021-03-31	8429
2021-06-30	8604
2021-09-30	8434
2021-12-31	8228
2022-03-31	9695
2022-06-30	8787
2022-09-30	10957
2022-12-31	10741
2023-03-31	12208
2023-06-30	13137
2023-09-30	14803