Quarter	US dollars
2004-12-31	2
2005-03-31	4
2005-06-30	18
2005-09-30	7
2005-12-31	0
2006-03-31	5
2006-06-30	13
2006-09-30	0
2006-12-31	12
2007-03-31	29
2007-06-30	30
2007-09-30	4
2007-12-31	54
2008-03-31	40
2008-06-30	30
2008-09-30	82
2008-12-31	40
2009-03-31	29
2009-06-30	18
2009-09-30	22
2009-12-31	6
2010-03-31	8
2010-06-30	51
2010-09-30	120
2010-12-31	44
2011-03-31	80
2011-06-30	29
2011-09-30	48
2011-12-31	73
2012-03-31	61
2012-06-30	141
2012-09-30	102
2012-12-31	150
2013-03-31	64
2013-06-30	27
2013-09-30	141
2013-12-31	203
2014-03-31	63
2014-06-30	130
2014-09-30	113
2014-12-31	98
2015-03-31	43
2015-06-30	27
2015-09-30	47
2015-12-31	41
2016-03-31	17
2016-06-30	39
2016-09-30	43
2016-12-31	12
2017-03-31	5
2017-06-30	9
2017-09-30	20
2017-12-31	15
2018-03-31	4
2018-06-30	49
2018-09-30	14
2018-12-31	8
2019-03-31	20
2019-06-30	64
2019-09-30	17
2019-12-31	12
2020-03-31	51
2020-06-30	11
2020-09-30	28
2020-12-31	20
2021-03-31	33
2021-06-30	33
2021-09-30	18
2021-12-31	35
2022-03-31	133
2022-06-30	30
2022-09-30	16
2022-12-31	19
2023-03-31	12
2023-06-30	47
2023-09-30	46