Quarter	US dollars
2004-12-31	121
2005-03-31	113
2005-06-30	65
2005-09-30	83
2005-12-31	55
2006-03-31	22
2006-06-30	39
2006-09-30	58
2006-12-31	57
2007-03-31	35
2007-06-30	30
2007-09-30	22
2007-12-31	0
2008-03-31	28
2008-06-30	26
2008-09-30	61
2008-12-31	132
2009-03-31	106
2009-06-30	64
2009-09-30	58
2009-12-31	102
2010-03-31	96
2010-06-30	90
2010-09-30	61
2010-12-31	424
2011-03-31	14
2011-06-30	45
2011-09-30	59
2011-12-31	71
2012-03-31	26
2012-06-30	13
2012-09-30	48
2012-12-31	2
2013-03-31	20
2013-06-30	102
2013-09-30	31
2013-12-31	81
2014-03-31	22
2014-06-30	22
2014-09-30	5
2014-12-31	5
2015-03-31	34
2015-06-30	5
2015-09-30	5
2015-12-31	4
2016-03-31	-4
2016-06-30	1
2016-09-30	4
2016-12-31	30
2017-03-31	28
2017-06-30	29
2017-09-30	31
2017-12-31	31
2018-03-31	59
2018-06-30	73
2018-09-30	73
2018-12-31	27
2019-03-31	23
2019-06-30	57
2019-09-30	60
2019-12-31	90
2020-03-31	82
2020-06-30	63
2020-09-30	66
2020-12-31	15
2021-03-31	17
2021-06-30	14
2021-09-30	13
2021-12-31	11
2022-03-31	9
2022-06-30	10
2022-09-30	23
2022-12-31	26
2023-03-31	25
2023-06-30	21
2023-09-30	20