Quarter	US dollars
2004-12-31	0
2005-03-31	8
2005-06-30	4
2005-09-30	48
2005-12-31	50
2006-03-31	87
2006-06-30	94
2006-09-30	110
2006-12-31	114
2007-03-31	114
2007-06-30	116
2007-09-30	122
2007-12-31	129
2008-03-31	143
2008-06-30	141
2008-09-30	25
2008-12-31	122
2009-03-31	222
2009-06-30	120
2009-09-30	128
2009-12-31	123
2010-03-31	0
2010-06-30	3
2010-09-30	2
2010-12-31	83
2011-03-31	0
2011-06-30	2
2011-09-30	2
2011-12-31	28
2012-03-31	27
2012-06-30	2
2012-09-30	0
2012-12-31	0
2013-03-31	2
2013-06-30	5
2013-09-30	2
2013-12-31	38
2014-03-31	52
2014-06-30	109
2014-09-30	99
2014-12-31	55
2015-03-31	55
2015-06-30	61
2015-09-30	92
2015-12-31	101
2016-03-31	86
2016-06-30	9
2016-09-30	39
2016-12-31	66
2017-03-31	74
2017-06-30	79
2017-09-30	101
2017-12-31	107
2018-03-31	119
2018-06-30	77
2018-09-30	226
2018-12-31	172
2019-03-31	78
2019-06-30	113
2019-09-30	196
2019-12-31	131
2020-03-31	51
2020-06-30	11
2020-09-30	0
2020-12-31	18
2021-03-31	18
2021-06-30	30
2021-09-30	30
2021-12-31	3
2022-03-31	14
2022-06-30	6
2022-09-30	38
2022-12-31	82
2023-03-31	75
2023-06-30	44
2023-09-30	40