Quarter	US dollars
2004-12-31	0
2005-03-31	-28
2005-06-30	-212
2005-09-30	-120
2005-12-31	-108
2006-03-31	-114
2006-06-30	-111
2006-09-30	-118
2006-12-31	-82
2007-03-31	-126
2007-06-30	-163
2007-09-30	-145
2007-12-31	-205
2008-03-31	-207
2008-06-30	56
2008-09-30	7
2008-12-31	7
2009-03-31	6
2009-06-30	-5
2009-09-30	-130
2009-12-31	-50
2010-03-31	29
2010-06-30	-13
2010-09-30	-14
2010-12-31	-47
2011-03-31	2
2011-06-30	14
2011-09-30	12
2011-12-31	-36
2012-03-31	34
2012-06-30	-88
2012-09-30	-69
2012-12-31	-44
2013-03-31	5
2013-06-30	-9
2013-09-30	-66
2013-12-31	-45
2014-03-31	-50
2014-06-30	-36
2014-09-30	-28
2014-12-31	-33
2015-03-31	-25
2015-06-30	-61
2015-09-30	-68
2015-12-31	-162
2016-03-31	-196
2016-06-30	-165
2016-09-30	-165
2016-12-31	-146
2017-03-31	-156
2017-06-30	-244
2017-09-30	-241
2017-12-31	-222
2018-03-31	-104
2018-06-30	-73
2018-09-30	-72
2018-12-31	-74
2019-03-31	-81
2019-06-30	-66
2019-09-30	-49
2019-12-31	-32
2020-03-31	-52
2020-06-30	-74
2020-09-30	-75
2020-12-31	-71
2021-03-31	-77
2021-06-30	-93
2021-09-30	-119
2021-12-31	-102
2022-03-31	-158
2022-06-30	-130
2022-09-30	-183
2022-12-31	-296
2023-03-31	-266
2023-06-30	-244
2023-09-30	-299