Quarter	US dollars
2004-12-31	23
2005-03-31	40
2005-06-30	45
2005-09-30	0
2005-12-31	5
2006-03-31	2
2006-06-30	2
2006-09-30	0
2006-12-31	2
2007-03-31	4
2007-06-30	2
2007-09-30	2
2007-12-31	0
2008-03-31	2
2008-06-30	0
2008-09-30	0
2008-12-31	0
2009-03-31	0
2009-06-30	0
2009-09-30	0
2009-12-31	-3
2010-03-31	5
2010-06-30	21
2010-09-30	-9
2010-12-31	-14
2011-03-31	38
2011-06-30	39
2011-09-30	22
2011-12-31	9
2012-03-31	182
2012-06-30	184
2012-09-30	192
2012-12-31	176
2013-03-31	132
2013-06-30	24
2013-09-30	66
2013-12-31	81
2014-03-31	60
2014-06-30	53
2014-09-30	112
2014-12-31	67
2015-03-31	43
2015-06-30	24
2015-09-30	42
2015-12-31	21
2016-03-31	1
2016-06-30	23
2016-09-30	82
2016-12-31	140
2017-03-31	95
2017-06-30	101
2017-09-30	172
2017-12-31	178
2018-03-31	487
2018-06-30	368
2018-09-30	430
2018-12-31	452
2019-03-31	358
2019-06-30	473
2019-09-30	687
2019-12-31	481
2020-03-31	482
2020-06-30	510
2020-09-30	319
2020-12-31	313
2021-03-31	520
2021-06-30	438
2021-09-30	263
2021-12-31	349
2022-03-31	673
2022-06-30	707
2022-09-30	582
2022-12-31	405
2023-03-31	96
2023-06-30	68
2023-09-30	142