Quarter	US dollars
2004-12-31	16847
2005-03-31	16796
2005-06-30	19879
2005-09-30	13841
2005-12-31	15806
2006-03-31	14967
2006-06-30	19086
2006-09-30	21613
2006-12-31	31596
2007-03-31	28764
2007-06-30	12769
2007-09-30	27460
2007-12-31	40622
2008-03-31	35956
2008-06-30	36154
2008-09-30	35385
2008-12-31	50181
2009-03-31	32636
2009-06-30	38522
2009-09-30	49490
2009-12-31	60242
2010-03-31	41574
2010-06-30	54903
2010-09-30	68853
2010-12-31	75291
2011-03-31	52189
2011-06-30	55568
2011-09-30	80408
2011-12-31	78081
2012-03-31	64709
2012-06-30	78427
2012-09-30	66616
2012-12-31	49767
2013-03-31	29611
2013-06-30	20724
2013-09-30	29857
2013-12-31	25876
2014-03-31	35687
2014-06-30	37778
2014-09-30	35632
2014-12-31	37554
2015-03-31	47115
2015-06-30	49595
2015-09-30	55958
2015-12-31	56336
2016-03-31	70075
2016-06-30	70701
2016-09-30	77776
2016-12-31	73081
2017-03-31	63766
2017-06-30	63517
2017-09-30	73033
2017-12-31	67042
2018-03-31	83197
2018-06-30	73178
2018-09-30	73735
2018-12-31	75135
2019-03-31	77625
2019-06-30	84116
2019-09-30	75504
2019-12-31	89276
2020-03-31	81453
2020-06-30	88015
2020-09-30	103451
2020-12-31	104674
2021-03-31	86897
2021-06-30	88091
2021-09-30	87987
2021-12-31	67748
2022-03-31	59470
2022-06-30	64648
2022-09-30	69425
2022-12-31	70198
2023-03-31	65333
2023-06-30	79401
2023-09-30	86318