Quarter	US dollars
2004-12-31	15
2005-03-31	8
2005-06-30	7
2005-09-30	16
2005-12-31	12
2006-03-31	3
2006-06-30	9
2006-09-30	6
2006-12-31	824
2007-03-31	4
2007-06-30	4
2007-09-30	10
2007-12-31	20
2008-03-31	52
2008-06-30	52
2008-09-30	32
2008-12-31	70
2009-03-31	83
2009-06-30	91
2009-09-30	101
2009-12-31	27
2010-03-31	91
2010-06-30	118
2010-09-30	134
2010-12-31	23
2011-03-31	22
2011-06-30	29
2011-09-30	72
2011-12-31	66
2012-03-31	97
2012-06-30	97
2012-09-30	97
2012-12-31	97
2013-03-31	71
2013-06-30	55
2013-09-30	58
2013-12-31	104
2014-03-31	83
2014-06-30	82
2014-09-30	71
2014-12-31	97
2015-03-31	85
2015-06-30	75
2015-09-30	79
2015-12-31	79
2016-03-31	76
2016-06-30	59
2016-09-30	52
2016-12-31	37
2017-03-31	34
2017-06-30	32
2017-09-30	27
2017-12-31	24
2018-03-31	21
2018-06-30	18
2018-09-30	17
2018-12-31	14
2019-03-31	8
2019-06-30	9
2019-09-30	7
2019-12-31	7
2020-03-31	37
2020-06-30	9
2020-09-30	5
2020-12-31	7
2021-03-31	7
2021-06-30	12
2021-09-30	28
2021-12-31	1
2022-03-31	11
2022-06-30	2
2022-09-30	32
2022-12-31	4
2023-03-31	1
2023-06-30	4
2023-09-30	25