Quarter	US dollars
2004-12-31	63
2005-03-31	60
2005-06-30	56
2005-09-30	55
2005-12-31	31
2006-03-31	24
2006-06-30	22
2006-09-30	13
2006-12-31	14
2007-03-31	20
2007-06-30	14
2008-06-30	12
2008-09-30	30
2008-12-31	30
2009-09-30	21
2010-03-31	24
2010-06-30	19
2010-09-30	27
2010-12-31	39
2013-06-30	109
2013-12-31	33
2014-03-31	33
2014-06-30	36
2014-09-30	34
2014-12-31	30
2015-03-31	27
2015-06-30	27
2015-09-30	32
2015-12-31	31
2016-03-31	30
2016-06-30	26
2016-09-30	23
2016-12-31	30
2017-03-31	25
2017-06-30	32
2017-09-30	25
2017-12-31	16
2018-03-31	11
2018-06-30	26
2018-09-30	25
2018-12-31	28
2019-03-31	-26
2019-06-30	-3
2019-09-30	12
2019-12-31	15
2020-03-31	0
2020-06-30	-1
2020-09-30	8
2020-12-31	0
2021-03-31	3
2021-06-30	11
2021-09-30	7
2021-12-31	-7
2022-03-31	-3
2022-06-30	11
2022-09-30	0
2022-12-31	13
2023-03-31	-27
2023-06-30	-9
2023-09-30	-13