Quarter	US dollars
2004-12-31	38
2005-03-31	93
2005-06-30	32
2005-09-30	53
2005-12-31	58
2006-03-31	61
2006-06-30	46
2006-09-30	71
2006-12-31	92
2007-03-31	129
2007-06-30	130
2007-09-30	505
2007-12-31	591
2008-03-31	551
2008-06-30	874
2008-09-30	743
2008-12-31	394
2009-03-31	443
2009-06-30	413
2009-09-30	377
2009-12-31	268
2010-03-31	206
2010-06-30	353
2010-09-30	236
2010-12-31	211
2011-03-31	228
2011-06-30	88
2011-09-30	75
2011-12-31	70
2012-03-31	69
2012-06-30	110
2012-09-30	140
2012-12-31	286
2013-03-31	272
2013-06-30	253
2013-09-30	125
2013-12-31	69
2014-03-31	67
2014-06-30	85
2014-09-30	79
2014-12-31	52
2015-03-31	53
2015-06-30	57
2015-09-30	55
2015-12-31	52
2016-03-31	50
2016-06-30	48
2016-09-30	44
2016-12-31	86
2017-03-31	38
2017-06-30	26
2017-09-30	28
2017-12-31	26
2018-03-31	73
2018-06-30	22
2018-09-30	21
2018-12-31	18
2019-03-31	30
2019-06-30	28
2019-09-30	39
2019-12-31	86
2020-03-31	103
2020-06-30	129
2020-09-30	50
2020-12-31	37
2021-03-31	12
2021-06-30	40
2021-09-30	0
2021-12-31	0
2022-03-31	3
2022-06-30	1
2022-09-30	1
2022-12-31	4
2023-03-31	22
2023-06-30	20
2023-09-30	22