Quarter	US dollars
2004-12-31	13
2005-03-31	40
2005-06-30	54
2005-09-30	64
2005-12-31	69
2006-03-31	64
2006-06-30	72
2006-09-30	71
2006-12-31	153
2007-03-31	184
2007-06-30	211
2007-09-30	114
2007-12-31	153
2008-03-31	185
2008-06-30	231
2008-09-30	200
2008-12-31	164
2009-03-31	192
2009-06-30	189
2009-09-30	203
2009-12-31	181
2010-03-31	65
2010-06-30	52
2010-09-30	49
2010-12-31	33
2011-03-31	109
2011-06-30	59
2011-09-30	25
2011-12-31	32
2012-03-31	26
2012-06-30	55
2012-09-30	103
2012-12-31	123
2013-03-31	114
2013-06-30	140
2013-09-30	36
2013-12-31	58
2014-03-31	17
2014-06-30	56
2014-09-30	37
2014-12-31	14
2015-03-31	13
2015-06-30	6
2015-09-30	17
2015-12-31	6
2016-03-31	16
2016-06-30	28
2016-09-30	27
2016-12-31	18
2017-03-31	16
2017-06-30	35
2017-09-30	32
2017-12-31	14
2018-03-31	21
2018-06-30	24
2018-09-30	20
2018-12-31	18
2019-03-31	14
2019-06-30	14
2019-09-30	12
2019-12-31	7
2020-03-31	6
2020-06-30	12
2020-09-30	5
2020-12-31	18
2021-03-31	7
2021-06-30	6
2021-09-30	8
2021-12-31	9
2022-03-31	14
2022-06-30	17
2022-09-30	18
2022-12-31	5
2023-03-31	4
2023-06-30	5
2023-09-30	5