Quarter	US dollars
2004-12-31	217
2005-03-31	183
2005-06-30	161
2005-09-30	306
2005-12-31	318
2006-03-31	222
2006-06-30	174
2006-09-30	364
2006-12-31	478
2007-03-31	294
2007-06-30	614
2007-09-30	754
2007-12-31	593
2008-03-31	755
2008-06-30	824
2008-09-30	722
2008-12-31	594
2009-03-31	535
2009-06-30	560
2009-09-30	651
2009-12-31	568
2010-03-31	582
2010-06-30	557
2010-09-30	561
2010-12-31	553
2011-03-31	545
2011-06-30	649
2011-09-30	690
2011-12-31	601
2012-03-31	690
2012-06-30	602
2012-09-30	622
2012-12-31	658
2013-03-31	572
2013-06-30	517
2013-09-30	640
2013-12-31	602
2014-03-31	870
2014-06-30	174
2014-09-30	128
2014-12-31	300
2015-03-31	330
2015-06-30	340
2015-09-30	777
2015-12-31	750
2016-03-31	733
2016-06-30	518
2016-09-30	611
2016-12-31	796
2017-03-31	675
2017-06-30	927
2017-09-30	1071
2017-12-31	603
2018-03-31	777
2018-06-30	832
2018-09-30	630
2018-12-31	667
2019-03-31	938
2019-06-30	444
2019-09-30	440
2019-12-31	443
2020-03-31	451
2020-06-30	297
2020-09-30	442
2020-12-31	449
2021-03-31	411
2021-06-30	282
2021-09-30	599
2021-12-31	578
2022-03-31	741
2022-06-30	650
2022-09-30	803
2022-12-31	864
2023-03-31	689
2023-06-30	736
2023-09-30	809