Quarter	US dollars
2004-12-31	48
2005-03-31	17
2005-06-30	22
2005-09-30	21
2005-12-31	26
2006-03-31	24
2006-06-30	28
2006-09-30	26
2006-12-31	37
2007-03-31	27
2007-06-30	32
2007-09-30	71
2007-12-31	50
2008-03-31	68
2008-06-30	101
2008-09-30	100
2008-12-31	115
2009-03-31	115
2009-06-30	130
2009-09-30	130
2009-12-31	136
2010-03-31	135
2010-06-30	299
2010-09-30	151
2010-12-31	138
2011-03-31	122
2011-06-30	124
2011-09-30	93
2011-12-31	203
2012-03-31	235
2012-06-30	358
2012-09-30	210
2012-12-31	196
2013-03-31	175
2013-06-30	203
2013-09-30	162
2013-12-31	674
2014-03-31	82
2014-06-30	80
2014-09-30	28
2014-12-31	83
2015-03-31	70
2015-06-30	53
2015-09-30	38
2015-12-31	52
2016-03-31	0
2016-06-30	0
2016-09-30	22
2016-12-31	28
2017-03-31	29
2017-06-30	36
2017-09-30	56
2017-12-31	68
2018-03-31	27
2018-06-30	25
2018-09-30	40
2018-12-31	50
2019-03-31	47
2019-06-30	32
2019-09-30	84
2019-12-31	186
2020-03-31	182
2020-06-30	263
2020-09-30	90
2020-12-31	106
2021-03-31	110
2021-06-30	126
2021-09-30	117
2021-12-31	119
2022-03-31	101
2022-06-30	53
2022-09-30	70
2022-12-31	40
2023-03-31	59
2023-06-30	60
2023-09-30	39