Quarter	US dollars
2004-12-31	36
2005-03-31	55
2005-06-30	86
2005-09-30	99
2005-12-31	96
2006-03-31	76
2006-06-30	166
2006-09-30	163
2006-12-31	274
2007-03-31	279
2007-06-30	295
2007-09-30	383
2007-12-31	454
2008-03-31	413
2008-06-30	316
2008-09-30	364
2008-12-31	285
2009-03-31	357
2009-06-30	346
2009-09-30	326
2009-12-31	355
2010-03-31	332
2010-06-30	269
2010-09-30	498
2010-12-31	712
2011-03-31	679
2011-06-30	632
2011-09-30	810
2011-12-31	840
2012-03-31	706
2012-06-30	900
2012-09-30	591
2012-12-31	831
2013-03-31	1026
2013-06-30	1233
2013-09-30	1185
2013-12-31	780
2014-03-31	680
2014-06-30	551
2014-09-30	567
2014-12-31	563
2015-03-31	659
2015-06-30	543
2015-09-30	553
2015-12-31	553
2016-03-31	597
2016-06-30	540
2016-09-30	563
2016-12-31	540
2017-03-31	537
2017-06-30	397
2017-09-30	445
2017-12-31	484
2018-03-31	481
2018-06-30	450
2018-09-30	432
2018-12-31	690
2019-03-31	696
2019-06-30	697
2019-09-30	756
2019-12-31	806
2020-03-31	1002
2020-06-30	1026
2020-09-30	1080
2020-12-31	966
2021-03-31	879
2021-06-30	976
2021-09-30	704
2021-12-31	902
2022-03-31	971
2022-06-30	804
2022-09-30	824
2022-12-31	951
2023-03-31	903
2023-06-30	905
2023-09-30	823