Quarter	US dollars
2004-12-31	361
2005-03-31	427
2005-06-30	495
2005-09-30	593
2005-12-31	680
2006-03-31	574
2006-06-30	682
2006-09-30	645
2006-12-31	736
2007-03-31	667
2007-06-30	704
2007-09-30	662
2007-12-31	655
2008-03-31	662
2008-06-30	894
2008-09-30	784
2008-12-31	627
2009-03-31	603
2009-06-30	599
2009-09-30	512
2009-12-31	1209
2010-03-31	1182
2010-06-30	1721
2010-09-30	1735
2010-12-31	1409
2011-03-31	853
2011-06-30	758
2011-09-30	673
2011-12-31	710
2012-03-31	746
2012-06-30	634
2012-09-30	977
2012-12-31	783
2013-03-31	718
2013-06-30	538
2013-09-30	363
2013-12-31	392
2014-03-31	649
2014-06-30	651
2014-09-30	430
2014-12-31	493
2015-03-31	462
2015-06-30	502
2015-09-30	554
2015-12-31	459
2016-03-31	505
2016-06-30	670
2016-09-30	766
2016-12-31	650
2017-03-31	552
2017-06-30	768
2017-09-30	665
2017-12-31	1144
2018-03-31	1486
2018-06-30	1492
2018-09-30	1037
2018-12-31	1007
2019-03-31	939
2019-06-30	561
2019-09-30	779
2019-12-31	703
2020-03-31	754
2020-06-30	797
2020-09-30	752
2020-12-31	790
2021-03-31	739
2021-06-30	723
2021-09-30	553
2021-12-31	443
2022-03-31	478
2022-06-30	381
2022-09-30	397
2022-12-31	367
2023-03-31	388
2023-06-30	423
2023-09-30	329