Quarter	US dollars
2004-12-31	351
2005-03-31	113
2005-06-30	125
2005-09-30	67
2005-12-31	64
2006-03-31	144
2006-06-30	176
2006-09-30	99
2006-12-31	112
2007-03-31	78
2007-06-30	82
2007-09-30	67
2007-12-31	64
2008-03-31	66
2008-06-30	76
2008-09-30	116
2008-12-31	142
2009-03-31	140
2009-06-30	150
2009-09-30	520
2009-12-31	656
2010-03-31	681
2010-06-30	480
2010-09-30	547
2010-12-31	576
2011-03-31	529
2011-06-30	58
2011-09-30	50
2011-12-31	57
2012-03-31	64
2012-06-30	52
2012-09-30	68
2012-12-31	52
2013-03-31	39
2013-06-30	68
2013-09-30	29
2013-12-31	25
2014-03-31	42
2014-06-30	56
2014-09-30	49
2014-12-31	45
2015-03-31	22
2015-06-30	25
2015-09-30	18
2015-12-31	18
2016-03-31	12
2016-06-30	9
2016-09-30	4
2016-12-31	2
2017-03-31	0
2017-06-30	16
2017-09-30	17
2017-12-31	18
2018-03-31	17
2018-06-30	17
2018-09-30	17
2018-12-31	18
2019-03-31	14
2019-06-30	15
2019-09-30	11
2019-12-31	115
2020-03-31	11
2020-06-30	11
2020-09-30	10
2020-12-31	11
2021-03-31	11
2021-06-30	11
2021-09-30	3
2021-12-31	23
2022-03-31	4
2022-06-30	4
2022-09-30	3
2022-12-31	3
2023-03-31	3
2023-06-30	6
2023-09-30	4