Quarter	US dollars
2004-12-31	553
2005-03-31	773
2005-06-30	470
2005-09-30	672
2005-12-31	379
2006-03-31	723
2006-06-30	353
2006-09-30	609
2006-12-31	517
2007-03-31	700
2007-06-30	738
2007-09-30	927
2007-12-31	866
2008-03-31	1169
2008-06-30	1244
2008-09-30	1183
2008-12-31	572
2009-03-31	428
2009-06-30	511
2009-09-30	505
2009-12-31	669
2010-03-31	548
2010-06-30	648
2010-09-30	566
2010-12-31	764
2011-03-31	894
2011-06-30	700
2011-09-30	724
2011-12-31	640
2012-03-31	770
2012-06-30	521
2012-09-30	520
2012-12-31	506
2013-03-31	946
2013-06-30	845
2013-09-30	862
2013-12-31	750
2014-03-31	649
2014-06-30	509
2014-09-30	577
2014-12-31	523
2015-03-31	438
2015-06-30	508
2015-09-30	513
2015-12-31	459
2016-03-31	437
2016-06-30	364
2016-09-30	356
2016-12-31	325
2017-03-31	339
2017-06-30	251
2017-09-30	262
2017-12-31	304
2018-03-31	514
2018-06-30	438
2018-09-30	453
2018-12-31	527
2019-03-31	502
2019-06-30	551
2019-09-30	621
2019-12-31	626
2020-03-31	743
2020-06-30	744
2020-09-30	755
2020-12-31	820
2021-03-31	857
2021-06-30	1005
2021-09-30	1118
2021-12-31	1217
2022-03-31	1240
2022-06-30	1624
2022-09-30	1414
2022-12-31	1632
2023-03-31	1543
2023-06-30	1581
2023-09-30	1735