Quarter	US dollars
2004-12-31	94
2005-03-31	216
2005-06-30	77
2005-09-30	97
2005-12-31	26
2006-03-31	12
2006-06-30	17
2006-09-30	15
2006-12-31	65
2007-03-31	65
2007-06-30	66
2007-09-30	63
2007-12-31	52
2008-03-31	54
2008-06-30	56
2008-09-30	53
2008-12-31	60
2009-03-31	56
2009-06-30	44
2009-09-30	67
2009-12-31	61
2010-03-31	59
2010-06-30	43
2010-09-30	47
2010-12-31	67
2011-03-31	59
2011-06-30	77
2011-09-30	70
2011-12-31	88
2012-03-31	139
2012-06-30	125
2012-09-30	108
2012-12-31	108
2013-03-31	118
2013-06-30	108
2013-09-30	74
2013-12-31	17
2014-03-31	13
2014-06-30	15
2014-09-30	15
2014-12-31	16
2015-03-31	18
2015-06-30	20
2015-09-30	20
2015-12-31	19
2016-03-31	16
2016-06-30	30
2016-09-30	30
2016-12-31	26
2017-03-31	16
2017-06-30	17
2017-09-30	19
2017-12-31	19
2018-03-31	17
2018-06-30	4
2018-09-30	-3
2018-12-31	1
2019-03-31	3
2019-06-30	1
2019-09-30	18
2019-12-31	7
2020-03-31	1
2020-06-30	1
2020-09-30	1
2020-12-31	1
2021-03-31	1
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	3
2022-09-30	3
2022-12-31	-4
2023-03-31	1
2023-06-30	2
2023-09-30	1