Quarter	US dollars
2004-12-31	589
2005-03-31	834
2005-06-30	782
2005-09-30	748
2005-12-31	778
2006-03-31	718
2006-06-30	801
2006-09-30	603
2006-12-31	992
2007-03-31	722
2007-06-30	801
2007-09-30	788
2007-12-31	850
2008-03-31	1202
2008-06-30	1073
2008-09-30	707
2008-12-31	1048
2009-03-31	977
2009-06-30	986
2009-09-30	964
2009-12-31	2608
2010-03-31	2592
2010-06-30	2575
2010-09-30	2351
2010-12-31	2575
2011-03-31	2457
2011-06-30	2439
2011-09-30	2317
2011-12-31	2059
2012-03-31	2057
2012-06-30	1827
2012-09-30	1964
2012-12-31	1411
2013-03-31	1292
2013-06-30	1279
2013-09-30	1433
2013-12-31	1423
2014-03-31	1429
2014-06-30	1255
2014-09-30	1336
2014-12-31	1047
2015-03-31	1143
2015-06-30	1048
2015-09-30	1075
2015-12-31	883
2016-03-31	973
2016-06-30	1014
2016-09-30	1009
2016-12-31	930
2017-03-31	1513
2017-06-30	903
2017-09-30	763
2017-12-31	740
2018-03-31	740
2018-06-30	684
2018-09-30	948
2018-12-31	1182
2019-03-31	754
2019-06-30	725
2019-09-30	866
2019-12-31	1067
2020-03-31	1075
2020-06-30	1025
2020-09-30	370
2020-12-31	295
2021-03-31	797
2021-06-30	619
2021-09-30	1640
2021-12-31	1018
2022-03-31	1041
2022-06-30	971
2022-09-30	555
2022-12-31	798
2023-03-31	609
2023-06-30	626
2023-09-30	1137