Quarter	US dollars
2004-12-31	1544
2005-03-31	768
2005-06-30	233
2005-09-30	94
2005-12-31	65
2006-03-31	57
2006-06-30	94
2006-09-30	71
2006-12-31	84
2007-03-31	408
2007-06-30	159
2007-09-30	485
2007-12-31	191
2008-03-31	668
2008-06-30	123
2008-09-30	109
2008-12-31	96
2009-03-31	85
2009-06-30	74
2009-09-30	34
2009-12-31	21
2010-03-31	21
2010-06-30	69
2010-09-30	44
2010-12-31	49
2011-03-31	194
2011-06-30	61
2011-09-30	59
2011-12-31	37
2012-03-31	42
2012-06-30	38
2012-09-30	69
2012-12-31	84
2013-03-31	87
2013-06-30	65
2013-09-30	34
2013-12-31	41
2014-03-31	27
2014-06-30	38
2014-09-30	32
2014-12-31	36
2015-03-31	42
2015-06-30	41
2015-09-30	36
2015-12-31	33
2016-03-31	40
2016-06-30	56
2016-09-30	65
2016-12-31	43
2017-03-31	39
2017-06-30	49
2017-09-30	35
2017-12-31	32
2018-03-31	36
2018-06-30	59
2018-09-30	22
2018-12-31	10
2019-03-31	18
2019-06-30	67
2019-09-30	44
2019-12-31	53
2020-03-31	50
2020-06-30	61
2020-09-30	3
2020-12-31	1
2021-03-31	10
2021-06-30	1
2021-09-30	5
2021-12-31	47
2022-03-31	68
2022-06-30	38
2022-09-30	49
2022-12-31	41
2023-03-31	33
2023-06-30	50
2023-09-30	47