Quarter	US dollars
2004-12-31	13
2005-03-31	0
2005-06-30	5
2005-09-30	11
2005-12-31	5
2006-03-31	5
2006-06-30	7
2006-09-30	15
2006-12-31	16
2007-03-31	14
2007-06-30	18
2007-09-30	8
2007-12-31	14
2008-03-31	20
2008-06-30	28
2008-09-30	75
2008-12-31	14
2009-03-31	17
2009-06-30	23
2009-09-30	6
2009-12-31	8
2010-03-31	24
2010-06-30	16
2010-09-30	71
2010-12-31	139
2011-03-31	136
2011-06-30	226
2011-09-30	122
2011-12-31	70
2012-03-31	112
2012-06-30	64
2012-09-30	36
2012-12-31	39
2013-03-31	41
2013-06-30	17
2013-09-30	26
2013-12-31	18
2014-03-31	20
2014-06-30	21
2014-09-30	8
2014-12-31	80
2015-03-31	125
2015-06-30	44
2015-09-30	50
2015-12-31	62
2016-03-31	27
2016-06-30	24
2016-09-30	17
2016-12-31	6
2017-03-31	6
2017-06-30	81
2017-09-30	99
2017-12-31	80
2018-03-31	44
2018-06-30	44
2018-09-30	25
2018-12-31	20
2019-03-31	21
2019-06-30	15
2019-09-30	16
2019-12-31	12
2020-03-31	12
2020-06-30	11
2020-09-30	5
2020-12-31	4
2021-03-31	3
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	21
2022-09-30	46
2022-12-31	3
2023-03-31	3
2023-06-30	19
2023-09-30	20