Quarter	US dollars
2004-12-31	108
2005-03-31	98
2005-06-30	104
2005-09-30	129
2005-12-31	46
2006-03-31	24
2006-06-30	30
2006-09-30	7
2006-12-31	10
2007-03-31	51
2007-06-30	8
2007-09-30	37
2007-12-31	22
2008-03-31	66
2008-06-30	68
2008-09-30	32
2008-12-31	35
2009-03-31	9
2009-06-30	58
2009-09-30	16
2009-12-31	11
2010-03-31	12
2010-06-30	30
2010-09-30	76
2010-12-31	75
2011-03-31	87
2011-06-30	31
2011-09-30	53
2011-12-31	15
2012-03-31	61
2012-06-30	36
2012-09-30	36
2012-12-31	24
2013-03-31	49
2013-06-30	162
2013-09-30	99
2013-12-31	73
2014-03-31	78
2014-06-30	92
2014-09-30	133
2014-12-31	34
2015-03-31	34
2015-06-30	24
2015-09-30	24
2015-12-31	18
2016-03-31	30
2016-06-30	5
2016-09-30	32
2016-12-31	271
2017-03-31	260
2017-06-30	9
2017-09-30	13
2017-12-31	22
2018-03-31	4
2018-06-30	3
2018-09-30	198
2018-12-31	171
2019-03-31	254
2019-06-30	233
2019-09-30	123
2019-12-31	120
2020-03-31	134
2020-06-30	171
2020-09-30	235
2020-12-31	246
2021-03-31	410
2021-06-30	513
2021-09-30	500
2021-12-31	480
2022-03-31	613
2022-06-30	1182
2022-09-30	1726
2022-12-31	1612
2023-03-31	1087
2023-06-30	1274
2023-09-30	1271