Quarter	US dollars
2004-12-31	255
2005-03-31	408
2005-06-30	326
2005-09-30	292
2005-12-31	314
2006-03-31	383
2006-06-30	394
2006-09-30	1274
2006-12-31	716
2007-03-31	408
2007-06-30	427
2007-09-30	438
2007-12-31	671
2008-03-31	859
2008-06-30	1184
2008-09-30	747
2008-12-31	622
2009-03-31	787
2009-06-30	1056
2009-09-30	1762
2009-12-31	1413
2010-03-31	1059
2010-06-30	1451
2010-09-30	3135
2010-12-31	2140
2011-03-31	4009
2011-06-30	3426
2011-09-30	3343
2011-12-31	2478
2012-03-31	3182
2012-06-30	3294
2012-09-30	3664
2012-12-31	2663
2013-03-31	3306
2013-06-30	2829
2013-09-30	2610
2013-12-31	2959
2014-03-31	1687
2014-06-30	2052
2014-09-30	2407
2014-12-31	2443
2015-03-31	2135
2015-06-30	2782
2015-09-30	2601
2015-12-31	2127
2016-03-31	1157
2016-06-30	7355
2016-09-30	7474
2016-12-31	7016
2017-03-31	7777
2017-06-30	4362
2017-09-30	3011
2017-12-31	4611
2018-03-31	5253
2018-06-30	778
2018-09-30	1019
2018-12-31	900
2019-03-31	771
2019-06-30	1032
2019-09-30	1085
2019-12-31	734
2020-03-31	891
2020-06-30	755
2020-09-30	1416
2020-12-31	859
2021-03-31	1276
2021-06-30	1197
2021-09-30	982
2021-12-31	964
2022-03-31	1268
2022-06-30	1055
2022-09-30	1446
2022-12-31	903
2023-03-31	865
2023-06-30	773
2023-09-30	4254