Quarter	US dollars
2004-12-31	25
2005-03-31	23
2005-06-30	22
2005-09-30	21
2005-12-31	26
2006-03-31	21
2006-06-30	17
2006-09-30	19
2006-12-31	20
2007-03-31	35
2007-06-30	50
2007-09-30	51
2007-12-31	44
2008-03-31	60
2008-06-30	16
2008-09-30	37
2008-12-31	66
2009-03-31	36
2009-06-30	5
2009-09-30	16
2009-12-31	5
2010-03-31	17
2010-06-30	28
2010-09-30	36
2010-12-31	102
2011-03-31	71
2011-06-30	75
2011-09-30	164
2011-12-31	23
2012-03-31	22
2012-06-30	69
2012-09-30	27
2012-12-31	23
2013-03-31	27
2013-06-30	21
2013-09-30	15
2013-12-31	18
2014-03-31	7
2014-06-30	9
2014-09-30	65
2014-12-31	136
2015-03-31	135
2015-06-30	127
2015-09-30	61
2015-12-31	12
2016-03-31	14
2016-06-30	4
2016-09-30	5
2016-12-31	6
2017-03-31	26
2017-06-30	10
2017-09-30	5
2017-12-31	11
2018-03-31	42
2018-06-30	65
2018-09-30	53
2018-12-31	82
2019-03-31	72
2019-06-30	71
2019-09-30	65
2019-12-31	59
2020-03-31	60
2020-06-30	95
2020-09-30	88
2020-12-31	94
2021-03-31	84
2021-06-30	59
2021-09-30	59
2021-12-31	50
2022-03-31	50
2022-06-30	47
2022-09-30	75
2022-12-31	85
2023-03-31	76
2023-06-30	72
2023-09-30	68