Quarter	US dollars
2004-12-31	56
2005-03-31	59
2005-06-30	50
2005-09-30	48
2005-12-31	50
2006-03-31	99
2006-06-30	109
2006-09-30	106
2006-12-31	114
2007-03-31	108
2007-06-30	122
2007-09-30	110
2007-12-31	74
2008-03-31	109
2008-06-30	78
2008-09-30	34
2008-12-31	75
2009-03-31	69
2009-06-30	68
2009-09-30	56
2009-12-31	58
2010-03-31	58
2010-06-30	40
2010-09-30	43
2010-12-31	36
2011-03-31	37
2011-06-30	51
2011-09-30	42
2011-12-31	40
2012-03-31	40
2012-06-30	38
2012-09-30	36
2012-12-31	27
2013-03-31	36
2013-06-30	33
2013-09-30	31
2013-12-31	30
2014-03-31	28
2014-06-30	27
2014-09-30	26
2014-12-31	31
2015-03-31	28
2015-06-30	24
2015-09-30	18
2015-12-31	16
2016-03-31	14
2016-06-30	12
2016-09-30	12
2016-12-31	12
2017-03-31	14
2017-06-30	13
2017-09-30	12
2017-12-31	3
2018-03-31	3
2018-06-30	0
2018-09-30	1
2018-12-31	0
2019-03-31	0
2019-06-30	0
2019-09-30	0
2019-12-31	0
2020-03-31	0
2020-06-30	0
2020-09-30	0
2020-12-31	0
2021-03-31	0
2021-06-30	1
2021-09-30	1
2021-12-31	1
2022-03-31	1
2022-06-30	1
2022-09-30	0
2022-12-31	0
2023-03-31	0
2023-06-30	0
2023-09-30	0