Quarter	US dollars
2004-12-31	3598
2005-03-31	5501
2005-06-30	6285
2005-09-30	6783
2005-12-31	6669
2006-03-31	8489
2006-06-30	7706
2006-09-30	8261
2006-12-31	9621
2007-03-31	11311
2007-06-30	13248
2007-09-30	14150
2007-12-31	14816
2008-03-31	16441
2008-06-30	18008
2008-09-30	16964
2008-12-31	9827
2009-03-31	13503
2009-06-30	18813
2009-09-30	22822
2009-12-31	23079
2010-03-31	27310
2010-06-30	26297
2010-09-30	36777
2010-12-31	30355
2011-03-31	31602
2011-06-30	37585
2011-09-30	31965
2011-12-31	31950
2012-03-31	35334
2012-06-30	29002
2012-09-30	27624
2012-12-31	25696
2013-03-31	23150
2013-06-30	16188
2013-09-30	19804
2013-12-31	18591
2014-03-31	21495
2014-06-30	17023
2014-09-30	15755
2014-12-31	13485
2015-03-31	15484
2015-06-30	14785
2015-09-30	11294
2015-12-31	9831
2016-03-31	12438
2016-06-30	14033
2016-09-30	3406
2016-12-31	2809
2017-03-31	3534
2017-06-30	2555
2017-09-30	3499
2017-12-31	2741
2018-03-31	3796
2018-06-30	3685
2018-09-30	5636
2018-12-31	6708
2019-03-31	7856
2019-06-30	7193
2019-09-30	12444
2019-12-31	8910
2020-03-31	5956
2020-06-30	4562
2020-09-30	5021
2020-12-31	10465
2021-03-31	10903
2021-06-30	9841
2021-09-30	9646
2021-12-31	23473
2022-03-31	16216
2022-06-30	3174
2022-09-30	19649
2022-12-31	23259
2023-03-31	23954
2023-06-30	24185
2023-09-30	8838
