Quarter	US dollars
2004-12-31	2
2005-03-31	4
2005-06-30	4
2005-09-30	5
2005-12-31	5
2006-03-31	7
2006-06-30	7
2006-09-30	9
2006-12-31	12
2007-03-31	14
2007-06-30	16
2007-09-30	18
2007-12-31	22
2008-03-31	22
2008-06-30	22
2008-09-30	21
2008-12-31	22
2009-03-31	23
2009-06-30	21
2009-09-30	19
2009-12-31	19
2010-03-31	20
2010-06-30	25
2010-09-30	32
2010-12-31	38
2011-03-31	38
2011-06-30	40
2011-09-30	45
2011-12-31	46
2012-03-31	48
2012-06-30	52
2012-09-30	55
2012-12-31	55
2013-03-31	64
2013-06-30	67
2013-09-30	66
2013-12-31	76
2014-03-31	83
2014-06-30	87
2014-09-30	96
2014-12-31	53
2015-03-31	50
2015-06-30	41
2015-09-30	48
2015-12-31	46
2016-03-31	43
2016-06-30	48
2016-09-30	30
2016-12-31	21
2017-03-31	29
2017-06-30	35
2017-09-30	30
2017-12-31	26
2018-03-31	81
2018-06-30	55
2018-09-30	82
2018-12-31	89
2019-03-31	77
2019-06-30	61
2019-09-30	47
2019-12-31	38
2020-03-31	57
2020-06-30	62
2020-09-30	84
2020-12-31	94
2021-03-31	80
2021-06-30	83
2021-09-30	67
2021-12-31	67
2022-03-31	121
2022-06-30	60
2022-09-30	77
2022-12-31	81
2023-03-31	99
2023-06-30	109
2023-09-30	100