Quarter	US dollars
2004-12-31	493
2005-03-31	-796
2005-06-30	-812
2005-09-30	-113
2005-12-31	-124
2006-03-31	-182
2006-06-30	-129
2006-09-30	-148
2006-12-31	-133
2007-03-31	-143
2007-06-30	-118
2007-09-30	-108
2007-12-31	-106
2008-03-31	-81
2008-06-30	-78
2008-09-30	-70
2008-12-31	-66
2009-03-31	-83
2009-06-30	-96
2009-09-30	-86
2009-12-31	-65
2010-03-31	-50
2010-06-30	-73
2010-09-30	-76
2010-12-31	-56
2011-03-31	-18
2011-06-30	-3
2011-09-30	-44
2011-12-31	-34
2012-03-31	-35
2012-06-30	-28
2012-09-30	8
2012-12-31	-2
2013-03-31	-9
2013-06-30	8
2013-09-30	-57
2013-12-31	-88
2014-03-31	-133
2014-06-30	-140
2014-09-30	-32
2014-12-31	-133
2015-03-31	-186
2015-06-30	-250
2015-09-30	-276
2015-12-31	-265
2016-03-31	-390
2016-06-30	-192
2016-09-30	-178
2016-12-31	-187
2017-03-31	-184
2017-06-30	-309
2017-09-30	-208
2017-12-31	-332
2018-03-31	-394
2018-06-30	-359
2018-09-30	-279
2018-12-31	-176
2019-03-31	-167
2019-06-30	-185
2019-09-30	-303
2019-12-31	-276
2020-03-31	-361
2020-06-30	-323
2020-09-30	-415
2020-12-31	-330
2021-03-31	-372
2021-06-30	-328
2021-09-30	-452
2021-12-31	-350
2022-03-31	-440
2022-06-30	-510
2022-09-30	-465
2022-12-31	-801
2023-03-31	-651
2023-06-30	-601
2023-09-30	-736