Quarter	US dollars
2004-12-31	17
2005-03-31	17
2005-06-30	38
2005-09-30	11
2005-12-31	-17
2006-03-31	-17
2006-06-30	-18
2006-09-30	-19
2006-12-31	37
2007-03-31	33
2007-06-30	52
2007-09-30	63
2007-12-31	56
2008-03-31	40
2008-06-30	26
2008-09-30	70
2008-12-31	69
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	0
2010-03-31	2
2010-06-30	0
2010-09-30	0
2010-12-31	2
2011-03-31	0
2011-06-30	0
2011-09-30	0
2011-12-31	0
2012-03-31	0
2012-06-30	13
2012-09-30	15
2012-12-31	0
2013-03-31	15
2013-06-30	6
2013-09-30	6
2013-12-31	-160
2014-03-31	-160
2014-06-30	-152
2014-09-30	-131
2014-12-31	14
2015-03-31	15
2015-06-30	44
2015-09-30	61
2015-12-31	39
2016-03-31	26
2016-06-30	28
2016-09-30	17
2016-12-31	-57
2017-03-31	-36
2017-06-30	-51
2017-09-30	-72
2017-12-31	-36
2018-03-31	-48
2018-06-30	-51
2018-09-30	-26
2018-12-31	-63
2019-03-31	-7
2019-06-30	-29
2019-09-30	-28
2019-12-31	-77
2020-03-31	-96
2020-06-30	-70
2020-09-30	-67
2020-12-31	-70
2021-03-31	-44
2021-06-30	-18
2021-09-30	-15
2021-12-31	-24
2022-03-31	-24
2022-06-30	-39
2022-09-30	-39
2022-12-31	-82
2023-03-31	-144
2023-06-30	-159
2023-09-30	-181