Quarter	US dollars
2004-12-31	58
2005-03-31	57
2005-06-30	56
2005-09-30	64
2005-12-31	36
2006-03-31	54
2006-06-30	54
2006-09-30	45
2006-12-31	41
2007-03-31	57
2007-06-30	56
2007-09-30	63
2007-12-31	54
2008-03-31	121
2008-06-30	92
2008-09-30	198
2008-12-31	78
2009-03-31	57
2009-06-30	87
2009-09-30	77
2009-12-31	68
2010-03-31	49
2010-06-30	76
2010-09-30	88
2010-12-31	95
2011-03-31	80
2011-06-30	83
2011-09-30	95
2011-12-31	118
2012-03-31	86
2012-06-30	138
2012-09-30	124
2012-12-31	116
2013-03-31	88
2013-06-30	93
2013-09-30	84
2013-12-31	66
2014-03-31	52
2014-06-30	68
2014-09-30	45
2014-12-31	45
2015-03-31	33
2015-06-30	24
2015-09-30	44
2015-12-31	40
2016-03-31	65
2016-06-30	54
2016-09-30	97
2016-12-31	84
2017-03-31	89
2017-06-30	200
2017-09-30	191
2017-12-31	558
2018-03-31	514
2018-06-30	363
2018-09-30	278
2018-12-31	249
2019-03-31	107
2019-06-30	116
2019-09-30	179
2019-12-31	198
2020-03-31	184
2020-06-30	227
2020-09-30	110
2020-12-31	75
2021-03-31	348
2021-06-30	91
2021-09-30	306
2021-12-31	251
2022-03-31	234
2022-06-30	97
2022-09-30	136
2022-12-31	190
2023-03-31	283
2023-06-30	239
2023-09-30	161