Quarter	US dollars
2004-12-31	136
2005-03-31	204
2005-06-30	147
2005-09-30	198
2005-12-31	597
2006-03-31	505
2006-06-30	418
2006-09-30	583
2006-12-31	679
2007-03-31	361
2007-06-30	1025
2007-09-30	799
2007-12-31	450
2008-03-31	712
2008-06-30	111
2008-09-30	130
2008-12-31	-37
2009-03-31	26
2009-06-30	107
2009-09-30	485
2009-12-31	-426
2010-03-31	-223
2010-06-30	-334
2010-09-30	-176
2010-12-31	-283
2011-03-31	-147
2011-06-30	-782
2011-09-30	-718
2011-12-31	-306
2012-03-31	-237
2012-06-30	-138
2012-09-30	-32
2012-12-31	319
2013-03-31	246
2013-06-30	132
2013-09-30	120
2013-12-31	3
2014-03-31	112
2014-06-30	87
2014-09-30	24
2014-12-31	103
2015-03-31	114
2015-06-30	-129
2015-09-30	77
2015-12-31	320
2016-03-31	234
2016-06-30	162
2016-09-30	177
2016-12-31	201
2017-03-31	145
2017-06-30	52
2017-09-30	56
2017-12-31	122
2018-03-31	233
2018-06-30	149
2018-09-30	129
2018-12-31	303
2019-03-31	348
2019-06-30	305
2019-09-30	87
2019-12-31	162
2020-03-31	32
2020-06-30	-331
2020-09-30	-425
2020-12-31	-444
2021-03-31	352
2021-06-30	444
2021-09-30	419
2021-12-31	398
2022-03-31	417
2022-06-30	443
2022-09-30	320
2022-12-31	338
2023-03-31	365
2023-06-30	458
2023-09-30	413