Quarter	US dollars
2004-12-31	401
2005-03-31	440
2005-06-30	362
2005-09-30	200
2005-12-31	51
2006-03-31	546
2006-06-30	623
2006-09-30	738
2006-12-31	777
2007-03-31	292
2007-06-30	132
2007-09-30	132
2007-12-31	131
2008-03-31	602
2008-06-30	92
2008-09-30	91
2008-12-31	6
2009-03-31	89
2009-06-30	3
2009-09-30	2
2009-12-31	2
2010-03-31	2
2010-06-30	1
2010-09-30	11
2010-12-31	11
2011-03-31	13
2011-06-30	-5
2011-09-30	20
2011-12-31	11
2012-03-31	10
2012-06-30	9
2012-09-30	10
2012-12-31	11
2013-03-31	11
2013-06-30	11
2013-09-30	11
2013-12-31	7
2014-03-31	8
2014-06-30	7
2014-09-30	10
2014-12-31	6
2015-03-31	18
2015-06-30	14
2015-09-30	17
2015-12-31	9
2016-03-31	30
2016-06-30	32
2016-09-30	27
2016-12-31	25
2017-03-31	55
2017-06-30	66
2017-09-30	68
2017-12-31	78
2018-03-31	77
2018-06-30	79
2018-09-30	85
2018-12-31	114
2019-03-31	112
2019-06-30	113
2019-09-30	96
2019-12-31	106
2020-03-31	105
2020-06-30	111
2020-09-30	114
2020-12-31	119
2021-03-31	103
2021-06-30	105
2021-09-30	98
2021-12-31	97
2022-03-31	84
2022-06-30	81
2022-09-30	73
2022-12-31	79
2023-03-31	80
2023-06-30	72
2023-09-30	63