Quarter	US dollars
2004-12-31	263
2005-03-31	325
2005-06-30	289
2005-09-30	327
2005-12-31	283
2006-03-31	399
2006-06-30	392
2006-09-30	501
2006-12-31	427
2007-03-31	492
2007-06-30	1314
2007-09-30	1343
2007-12-31	1358
2008-03-31	527
2008-06-30	535
2008-09-30	462
2008-12-31	438
2009-03-31	536
2009-06-30	509
2009-09-30	297
2009-12-31	308
2010-03-31	268
2010-06-30	464
2010-09-30	411
2010-12-31	559
2011-03-31	516
2011-06-30	639
2011-09-30	933
2011-12-31	467
2012-03-31	459
2012-06-30	533
2012-09-30	371
2012-12-31	543
2013-03-31	677
2013-06-30	684
2013-09-30	868
2013-12-31	655
2014-03-31	920
2014-06-30	966
2014-09-30	867
2014-12-31	1269
2015-03-31	1204
2015-06-30	753
2015-09-30	865
2015-12-31	642
2016-03-31	893
2016-06-30	744
2016-09-30	537
2016-12-31	529
2017-03-31	734
2017-06-30	682
2017-09-30	648
2017-12-31	626
2018-03-31	486
2018-06-30	506
2018-09-30	523
2018-12-31	538
2019-03-31	566
2019-06-30	582
2019-09-30	625
2019-12-31	573
2020-03-31	630
2020-06-30	513
2020-09-30	540
2020-12-31	546
2021-03-31	682
2021-06-30	694
2021-09-30	640
2021-12-31	639
2022-03-31	931
2022-06-30	773
2022-09-30	696
2022-12-31	1025
2023-03-31	989
2023-06-30	914
2023-09-30	1075