Quarter	US dollars
2004-12-31	4
2005-03-31	21
2005-06-30	23
2005-09-30	25
2005-12-31	12
2006-03-31	9
2006-06-30	11
2006-09-30	43
2006-12-31	45
2007-03-31	51
2007-06-30	60
2007-09-30	59
2007-12-31	52
2008-03-31	66
2008-06-30	50
2008-09-30	20
2008-12-31	4
2009-03-31	3
2009-06-30	3
2009-09-30	18
2009-12-31	21
2010-03-31	30
2010-06-30	36
2010-09-30	28
2010-12-31	27
2011-03-31	24
2011-06-30	26
2011-09-30	23
2011-12-31	20
2012-03-31	19
2012-06-30	16
2012-09-30	23
2012-12-31	19
2013-03-31	18
2013-06-30	15
2013-09-30	8
2013-12-31	5
2014-03-31	2
2014-06-30	0
2014-09-30	245
2014-12-31	70
2015-03-31	7
2015-06-30	30
2015-09-30	204
2015-12-31	265
2016-03-31	226
2016-06-30	180
2016-09-30	87
2016-12-31	426
2017-03-31	215
2017-06-30	466
2017-09-30	542
2017-12-31	773
2018-03-31	1037
2018-06-30	965
2018-09-30	1116
2018-12-31	1038
2019-03-31	526
2019-06-30	500
2019-09-30	572
2019-12-31	617
2020-03-31	618
2020-06-30	543
2020-09-30	697
2020-12-31	813
2021-03-31	844
2021-06-30	766
2021-09-30	740
2021-12-31	757
2022-03-31	806
2022-06-30	679
2022-09-30	828
2022-12-31	685
2023-03-31	1429
2023-06-30	1216
2023-09-30	1065