Quarter	US dollars
2004-12-31	10
2005-03-31	9
2005-06-30	7
2005-09-30	4
2005-12-31	3
2006-03-31	5
2006-06-30	9
2006-09-30	9
2006-12-31	16
2007-03-31	18
2007-06-30	34
2007-09-30	47
2007-12-31	48
2008-03-31	50
2008-06-30	48
2008-09-30	52
2008-12-31	47
2009-03-31	37
2009-06-30	40
2009-09-30	29
2009-12-31	26
2010-03-31	24
2010-06-30	99
2010-09-30	96
2010-12-31	85
2011-03-31	69
2011-06-30	67
2011-09-30	56
2011-12-31	66
2012-03-31	62
2012-06-30	69
2012-09-30	171
2012-12-31	154
2013-03-31	144
2013-06-30	73
2013-09-30	52
2013-12-31	63
2014-03-31	95
2014-06-30	63
2014-09-30	131
2014-12-31	117
2015-03-31	86
2015-06-30	90
2015-09-30	83
2015-12-31	82
2016-03-31	78
2016-06-30	71
2016-09-30	38
2016-12-31	75
2017-03-31	88
2017-06-30	55
2017-09-30	68
2017-12-31	91
2018-03-31	95
2018-06-30	90
2018-09-30	85
2018-12-31	37
2019-03-31	35
2019-06-30	33
2019-09-30	38
2019-12-31	45
2020-03-31	61
2020-06-30	62
2020-09-30	62
2020-12-31	61
2021-03-31	66
2021-06-30	62
2021-09-30	67
2021-12-31	67
2022-03-31	78
2022-06-30	80
2022-09-30	88
2022-12-31	91
2023-03-31	88
2023-06-30	80
2023-09-30	92