Quarter	US dollars
2004-12-31	75
2005-03-31	78
2005-06-30	63
2005-09-30	62
2005-12-31	46
2006-03-31	47
2006-06-30	35
2006-09-30	34
2006-12-31	20
2007-03-31	20
2007-06-30	12
2007-09-30	47
2007-12-31	36
2008-03-31	44
2008-06-30	70
2008-09-30	66
2008-12-31	40
2009-03-31	39
2009-06-30	40
2009-09-30	38
2009-12-31	39
2010-03-31	36
2010-06-30	36
2010-09-30	370
2010-12-31	2
2011-03-31	35
2011-06-30	39
2011-09-30	37
2011-12-31	34
2012-03-31	37
2012-06-30	0
2012-09-30	0
2012-12-31	0
2013-03-31	0
2013-06-30	0
2013-09-30	6
2013-12-31	17
2014-03-31	7
2014-06-30	7
2014-09-30	94
2014-12-31	80
2015-03-31	62
2015-06-30	60
2015-09-30	0
2015-12-31	0
2016-03-31	0
2016-06-30	0
2016-09-30	1
2016-12-31	1
2017-03-31	5
2017-06-30	292
2017-09-30	392
2017-12-31	336
2018-03-31	205
2018-06-30	156
2018-09-30	56
2018-12-31	134
2019-03-31	210
2019-06-30	223
2019-09-30	618
2019-12-31	552
2020-03-31	352
2020-06-30	108
2020-09-30	283
2020-12-31	400
2021-03-31	977
2021-06-30	468
2021-09-30	387
2021-12-31	460
2022-03-31	354
2022-06-30	353
2022-09-30	353
2022-12-31	145
2023-03-31	103
2023-06-30	104
2023-09-30	106