Quarter	US dollars
2004-12-31	559
2005-03-31	648
2005-06-30	690
2005-09-30	968
2005-12-31	1033
2006-03-31	1676
2006-06-30	1787
2006-09-30	1670
2006-12-31	1834
2007-03-31	1963
2007-06-30	1848
2007-09-30	1648
2007-12-31	2224
2008-03-31	1576
2008-06-30	1413
2008-09-30	1265
2008-12-31	825
2009-03-31	916
2009-06-30	1082
2009-09-30	1214
2009-12-31	1276
2010-03-31	1417
2010-06-30	1377
2010-09-30	1659
2010-12-31	1508
2011-03-31	1201
2011-06-30	1293
2011-09-30	1182
2011-12-31	972
2012-03-31	905
2012-06-30	1064
2012-09-30	1021
2012-12-31	825
2013-03-31	856
2013-06-30	951
2013-09-30	758
2013-12-31	787
2014-03-31	1074
2014-06-30	740
2014-09-30	762
2014-12-31	723
2015-03-31	769
2015-06-30	769
2015-09-30	882
2015-12-31	735
2016-03-31	798
2016-06-30	775
2016-09-30	744
2016-12-31	1615
2017-03-31	1985
2017-06-30	2664
2017-09-30	2761
2017-12-31	2775
2018-03-31	3202
2018-06-30	2952
2018-09-30	2626
2018-12-31	2662
2019-03-31	3509
2019-06-30	3384
2019-09-30	3082
2019-12-31	3575
2020-03-31	3387
2020-06-30	3358
2020-09-30	4216
2020-12-31	4611
2021-03-31	4790
2021-06-30	5454
2021-09-30	5573
2021-12-31	4586
2022-03-31	3610
2022-06-30	3632
2022-09-30	3677
2022-12-31	3941
2023-03-31	4142
2023-06-30	2989
2023-09-30	3112