Quarter	US dollars
2004-12-31	-27
2005-03-31	-26
2005-06-30	-25
2005-09-30	-11
2005-12-31	-9
2006-03-31	-9
2006-06-30	-13
2006-09-30	-13
2006-12-31	-12
2007-03-31	-2101
2007-06-30	-2157
2007-09-30	-2296
2007-12-31	-2403
2008-03-31	-1495
2008-06-30	-1510
2008-09-30	-1338
2008-12-31	-1379
2009-03-31	-1189
2009-06-30	-1383
2009-09-30	-352
2009-12-31	-139
2010-03-31	-83
2010-06-30	-46
2010-09-30	-17
2010-12-31	-16
2011-03-31	-16
2011-06-30	-11
2011-09-30	-11
2011-12-31	-6
2012-03-31	-10
2012-06-30	-3
2012-09-30	-2
2012-12-31	-3
2013-03-31	5
2013-06-30	-5
2013-09-30	-6
2013-12-31	-8
2014-03-31	-13
2014-06-30	-14
2014-09-30	-18
2014-12-31	-11
2015-03-31	-4
2015-06-30	-9
2015-09-30	-41
2015-12-31	-49
2016-03-31	-29
2016-06-30	-24
2016-09-30	-9
2016-12-31	-33
2017-03-31	-18
2017-06-30	-19
2017-09-30	-23
2017-12-31	-12
2018-03-31	0
2018-06-30	-1
2018-09-30	-1
2018-12-31	-1
2019-03-31	0
2019-06-30	0
2019-09-30	-1
2019-12-31	-1
2020-03-31	-1
2020-06-30	-1
2020-09-30	-9
2020-12-31	-10
2021-03-31	-3
2021-06-30	-1
2021-09-30	-35
2021-12-31	-36
2022-03-31	-46
2022-06-30	-43
2022-09-30	-39
2022-12-31	-24
2023-03-31	-64
2023-06-30	-84
2023-09-30	-193