Quarter	US dollars
2004-12-31	54
2005-03-31	38
2005-06-30	47
2005-09-30	9
2005-12-31	-93
2006-03-31	-239
2006-06-30	-242
2006-09-30	-413
2006-12-31	-436
2007-03-31	-647
2007-06-30	-813
2007-09-30	-831
2007-12-31	-721
2008-03-31	-620
2008-06-30	-625
2008-09-30	-611
2008-12-31	-607
2009-03-31	-641
2009-06-30	-504
2009-09-30	-539
2009-12-31	-481
2010-03-31	-426
2010-06-30	-449
2010-09-30	-71
2010-12-31	-58
2011-03-31	-66
2011-06-30	-106
2011-09-30	-83
2011-12-31	-3
2012-03-31	-5
2012-06-30	-3
2012-09-30	-3
2012-12-31	10
2013-03-31	12
2013-06-30	0
2013-09-30	21
2013-12-31	2
2014-03-31	62
2014-06-30	-15
2014-09-30	2
2014-12-31	0
2015-03-31	6
2015-06-30	-2
2015-09-30	-2
2015-12-31	4
2016-03-31	9
2016-06-30	31
2016-09-30	31
2016-12-31	14
2017-03-31	33
2017-06-30	27
2017-09-30	32
2017-12-31	28
2018-03-31	39
2018-06-30	48
2018-09-30	47
2018-12-31	24
2019-03-31	23
2019-06-30	23
2019-09-30	22
2019-12-31	38
2020-03-31	17
2020-06-30	9
2020-09-30	8
2020-12-31	7
2021-03-31	6
2021-06-30	8
2021-09-30	7
2021-12-31	7
2022-03-31	7
2022-06-30	6
2022-09-30	-2
2022-12-31	-1
2023-03-31	-1
2023-06-30	-19
2023-09-30	-20