Quarter	US dollars
2004-12-31	148
2005-03-31	263
2005-06-30	90
2005-09-30	375
2005-12-31	36
2006-03-31	160
2006-06-30	129
2006-09-30	-56
2006-12-31	-18
2007-03-31	126
2007-06-30	387
2007-09-30	275
2007-12-31	583
2008-03-31	372
2008-06-30	490
2008-09-30	602
2008-12-31	335
2009-03-31	178
2009-06-30	221
2009-09-30	26
2009-12-31	-299
2010-03-31	-228
2010-06-30	-257
2010-09-30	-219
2010-12-31	-255
2011-03-31	-223
2011-06-30	-226
2011-09-30	-237
2011-12-31	-83
2012-03-31	-195
2012-06-30	-141
2012-09-30	-60
2012-12-31	107
2013-03-31	298
2013-06-30	140
2013-09-30	-31
2013-12-31	-40
2014-03-31	-43
2014-06-30	-17
2014-09-30	-84
2014-12-31	-45
2015-03-31	-31
2015-06-30	-24
2015-09-30	24
2015-12-31	-148
2016-03-31	-168
2016-06-30	-132
2016-09-30	-26
2016-12-31	-2
2017-03-31	28
2017-06-30	130
2017-09-30	74
2017-12-31	39
2018-03-31	-39
2018-06-30	-42
2018-09-30	-51
2018-12-31	-52
2019-03-31	-23
2019-06-30	-43
2019-09-30	-73
2019-12-31	17
2020-03-31	20
2020-06-30	-158
2020-09-30	-225
2020-12-31	4
2021-03-31	7
2021-06-30	6
2021-09-30	-34
2021-12-31	47
2022-03-31	-90
2022-06-30	-57
2022-09-30	-23
2022-12-31	-14
2023-03-31	-109
2023-06-30	100
2023-09-30	-45