Quarter	US dollars
2004-12-31	-8
2005-03-31	-4
2005-06-30	14
2005-09-30	12
2005-12-31	65
2006-03-31	57
2006-06-30	4
2006-09-30	24
2006-12-31	35
2007-03-31	31
2007-06-30	12
2007-09-30	16
2007-12-31	38
2008-03-31	64
2008-06-30	90
2008-09-30	46
2008-12-31	47
2009-03-31	73
2009-06-30	97
2009-09-30	82
2009-12-31	66
2010-03-31	67
2010-06-30	87
2010-09-30	102
2010-12-31	219
2011-03-31	37
2011-06-30	47
2011-09-30	-28
2011-12-31	34
2012-03-31	22
2012-06-30	11
2012-09-30	23
2012-12-31	18
2013-03-31	6
2013-06-30	8
2013-09-30	3
2013-12-31	12
2014-03-31	-428
2014-06-30	-424
2014-09-30	-433
2014-12-31	-646
2015-03-31	-610
2015-06-30	-617
2015-09-30	-686
2015-12-31	-668
2016-03-31	-638
2016-06-30	-731
2016-09-30	-742
2016-12-31	-933
2017-03-31	-808
2017-06-30	-688
2017-09-30	-604
2017-12-31	-789
2018-03-31	-662
2018-06-30	-768
2018-09-30	-587
2018-12-31	-667
2019-03-31	-547
2019-06-30	-518
2019-09-30	-436
2019-12-31	-420
2020-03-31	-621
2020-06-30	-672
2020-09-30	-602
2020-12-31	-603
2021-03-31	-607
2021-06-30	-235
2021-09-30	-133
2021-12-31	-136
2022-03-31	-517
2022-06-30	-509
2022-09-30	-584
2022-12-31	-643
2023-03-31	-454
2023-06-30	-492
2023-09-30	-375