Quarter	US dollars
2004-12-31	86
2005-03-31	81
2005-06-30	91
2005-09-30	53
2005-12-31	12
2006-03-31	9
2006-06-30	475
2006-09-30	22
2006-12-31	49
2007-03-31	839
2007-06-30	235
2007-09-30	628
2007-12-31	12
2008-03-31	254
2008-06-30	74
2008-09-30	0
2008-12-31	128
2009-03-31	72
2009-06-30	40
2009-09-30	35
2009-12-31	102
2010-03-31	130
2010-06-30	84
2010-09-30	3
2010-12-31	52
2011-03-31	37
2011-06-30	323
2011-09-30	16
2011-12-31	9
2012-03-31	16
2012-06-30	55
2012-09-30	58
2012-12-31	76
2013-03-31	193
2013-06-30	156
2013-09-30	155
2013-12-31	98
2014-03-31	3
2014-06-30	15
2014-09-30	8
2014-12-31	351
2015-03-31	411
2015-06-30	409
2015-09-30	421
2015-12-31	36
2016-03-31	1
2016-06-30	0
2016-09-30	0
2016-12-31	0
2017-03-31	46
2017-06-30	58
2017-09-30	83
2017-12-31	65
2018-03-31	66
2018-06-30	69
2018-09-30	70
2018-12-31	64
2019-03-31	68
2019-06-30	39
2019-09-30	36
2019-12-31	33
2020-03-31	36
2020-06-30	40
2020-09-30	48
2020-12-31	52
2021-03-31	50
2021-06-30	55
2021-09-30	51
2021-12-31	58
2022-03-31	58
2022-06-30	55
2022-09-30	52
2022-12-31	54
2023-03-31	62
2023-06-30	53
2023-09-30	51