Quarter	US dollars
2004-12-31	2352
2005-03-31	3526
2005-06-30	3058
2005-09-30	3759
2005-12-31	4599
2006-03-31	3972
2006-06-30	3516
2006-09-30	3243
2006-12-31	3787
2007-03-31	3970
2007-06-30	4567
2007-09-30	5721
2007-12-31	5529
2008-03-31	6473
2008-06-30	6896
2008-09-30	6653
2008-12-31	6275
2009-03-31	5423
2009-06-30	4707
2009-09-30	4526
2009-12-31	4447
2010-03-31	4750
2010-06-30	2962
2010-09-30	2083
2010-12-31	1375
2011-03-31	1238
2011-06-30	1257
2011-09-30	1622
2011-12-31	1645
2012-03-31	634
2012-06-30	899
2012-09-30	638
2012-12-31	935
2013-03-31	604
2013-06-30	587
2013-09-30	666
2013-12-31	808
2014-03-31	835
2014-06-30	1084
2014-09-30	1073
2014-12-31	1018
2015-03-31	640
2015-06-30	376
2015-09-30	548
2015-12-31	440
2016-03-31	451
2016-06-30	439
2016-09-30	373
2016-12-31	440
2017-03-31	306
2017-06-30	307
2017-09-30	333
2017-12-31	632
2018-03-31	786
2018-06-30	440
2018-09-30	473
2018-12-31	457
2019-03-31	739
2019-06-30	807
2019-09-30	894
2019-12-31	812
2020-03-31	929
2020-06-30	1556
2020-09-30	1705
2020-12-31	1826
2021-03-31	1683
2021-06-30	1552
2021-09-30	1427
2021-12-31	1504
2022-03-31	2249
2022-06-30	762
2022-09-30	785
2022-12-31	829
2023-03-31	800
2023-06-30	812
2023-09-30	1022