Quarter	US dollars
2004-12-31	10
2005-03-31	9
2005-06-30	7
2005-09-30	7
2005-12-31	7
2006-03-31	7
2006-06-30	9
2006-09-30	9
2006-12-31	14
2007-03-31	8
2007-06-30	18
2007-09-30	22
2007-12-31	34
2008-03-31	28
2008-06-30	40
2008-09-30	32
2008-12-31	43
2009-03-31	36
2009-06-30	25
2009-09-30	22
2009-12-31	29
2010-03-31	27
2010-06-30	28
2010-09-30	32
2010-12-31	39
2011-03-31	34
2011-06-30	39
2011-09-30	36
2011-12-31	42
2012-03-31	38
2012-06-30	45
2012-09-30	36
2012-12-31	70
2013-03-31	59
2013-06-30	64
2013-09-30	63
2013-12-31	68
2014-03-31	53
2014-06-30	56
2014-09-30	42
2014-12-31	62
2015-03-31	52
2015-06-30	52
2015-09-30	56
2015-12-31	83
2016-03-31	81
2016-06-30	74
2016-09-30	97
2016-12-31	71
2017-03-31	50
2017-06-30	43
2017-09-30	140
2017-12-31	53
2018-03-31	53
2018-06-30	66
2018-09-30	73
2018-12-31	84
2019-03-31	91
2019-06-30	97
2019-09-30	78
2019-12-31	95
2020-03-31	87
2020-06-30	75
2020-09-30	70
2020-12-31	101
2021-03-31	105
2021-06-30	108
2021-09-30	105
2021-12-31	88
2022-03-31	83
2022-06-30	86
2022-09-30	97
2022-12-31	123
2023-03-31	120
2023-06-30	114
2023-09-30	106