Quarter	US dollars
2004-12-31	2
2005-03-31	4
2005-06-30	2
2005-09-30	0
2005-12-31	0
2006-03-31	0
2006-06-30	0
2006-09-30	0
2006-12-31	0
2007-03-31	0
2007-06-30	0
2007-09-30	0
2007-12-31	0
2008-03-31	0
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	47
2010-03-31	99
2010-06-30	102
2010-09-30	98
2010-12-31	102
2011-03-31	106
2011-06-30	109
2011-09-30	50
2011-12-31	0
2012-03-31	5
2012-06-30	5
2012-09-30	0
2012-12-31	11
2013-03-31	0
2013-06-30	158
2013-09-30	160
2013-12-31	159
2014-03-31	170
2014-06-30	183
2014-09-30	180
2014-12-31	8
2015-03-31	6
2015-06-30	17
2015-09-30	6
2015-12-31	-1
2016-03-31	0
2016-06-30	15
2016-09-30	19
2016-12-31	25
2017-03-31	14
2017-06-30	-4
2017-09-30	3
2017-12-31	-9
2018-03-31	10
2018-06-30	-7
2018-09-30	-7
2018-12-31	-5
2019-03-31	60
2019-06-30	66
2019-09-30	-28
2019-12-31	4
2020-03-31	27
2020-06-30	116
2020-09-30	112
2020-12-31	127
2021-03-31	130
2021-06-30	173
2021-09-30	146
2021-12-31	132
2022-03-31	108
2022-06-30	122
2022-09-30	251
2022-12-31	125
2023-03-31	173
2023-06-30	142
2023-09-30	147