Quarter	US dollars
2004-12-31	703
2005-03-31	709
2005-06-30	708
2005-09-30	511
2005-12-31	750
2006-03-31	761
2006-06-30	890
2006-09-30	839
2006-12-31	843
2007-03-31	818
2007-06-30	859
2007-09-30	909
2007-12-31	900
2008-03-31	954
2008-06-30	989
2008-09-30	1039
2008-12-31	1026
2009-03-31	995
2009-06-30	1028
2009-09-30	299
2009-12-31	299
2010-03-31	294
2010-06-30	293
2010-09-30	314
2010-12-31	326
2011-03-31	330
2011-06-30	347
2011-09-30	333
2011-12-31	345
2012-03-31	393
2012-06-30	405
2012-09-30	433
2012-12-31	437
2013-03-31	436
2013-06-30	431
2013-09-30	445
2013-12-31	436
2014-03-31	403
2014-06-30	373
2014-09-30	332
2014-12-31	292
2015-03-31	252
2015-06-30	238
2015-09-30	198
2015-12-31	173
2016-03-31	161
2016-06-30	137
2016-09-30	147
2016-12-31	100
2017-03-31	86
2017-06-30	53
2017-09-30	83
2017-12-31	5
2018-03-31	6
2018-06-30	5
2018-09-30	9
2018-12-31	9
2019-03-31	5
2019-06-30	24
2019-09-30	16
2019-12-31	5
2020-03-31	6
2020-06-30	5
2020-09-30	5
2020-12-31	20
2021-03-31	69
2021-06-30	108
2021-09-30	85
2021-12-31	35
2022-03-31	34
2022-06-30	35
2022-09-30	11
2022-12-31	9
2023-03-31	3
2023-06-30	4
2023-09-30	11