Quarter	US dollars
2004-12-31	4
2005-03-31	0
2005-06-30	13
2005-09-30	27
2005-12-31	14
2006-03-31	7
2006-06-30	-33
2006-09-30	-288
2006-12-31	-307
2007-03-31	-59
2007-06-30	-245
2007-09-30	538
2007-12-31	-121
2008-03-31	-83
2008-06-30	-105
2008-09-30	-121
2008-12-31	-380
2009-03-31	-318
2009-06-30	3
2009-09-30	27
2009-12-31	18
2010-03-31	6
2010-06-30	-39
2010-09-30	24
2010-12-31	-2
2011-03-31	-2
2011-06-30	120
2011-09-30	-11
2011-12-31	-3
2012-03-31	56
2012-06-30	45
2012-09-30	39
2012-12-31	170
2013-03-31	-12
2013-06-30	17
2013-09-30	78
2013-12-31	-3
2014-03-31	232
2014-06-30	21
2014-09-30	31
2014-12-31	12
2015-03-31	31
2015-06-30	46
2015-09-30	132
2015-12-31	-31
2016-03-31	124
2016-06-30	122
2016-09-30	145
2016-12-31	680
2017-03-31	687
2017-06-30	161
2017-09-30	146
2017-12-31	145
2018-03-31	150
2018-06-30	149
2018-09-30	69
2018-12-31	668
2019-03-31	-254
2019-06-30	-274
2019-09-30	-310
2019-12-31	112
2020-03-31	86
2020-06-30	89
2020-09-30	147
2020-12-31	168
2021-03-31	128
2021-06-30	105
2021-09-30	365
2021-12-31	236
2022-03-31	222
2022-06-30	194
2022-09-30	201
2022-12-31	246
2023-03-31	-7
2023-06-30	177
2023-09-30	155