Quarter	US dollars
2004-12-31	79
2005-03-31	76
2005-06-30	43
2005-09-30	42
2005-12-31	31
2006-03-31	43
2006-06-30	43
2006-09-30	26
2006-12-31	25
2007-03-31	35
2007-06-30	16
2007-09-30	24
2007-12-31	22
2008-03-31	10
2008-06-30	14
2008-09-30	30
2008-12-31	46
2009-03-31	13
2009-06-30	13
2009-09-30	16
2009-12-31	52
2010-03-31	49
2010-06-30	46
2010-09-30	68
2010-12-31	27
2011-03-31	30
2011-06-30	101
2011-09-30	22
2011-12-31	108
2012-03-31	193
2012-06-30	72
2012-09-30	512
2012-12-31	24
2013-03-31	24
2013-06-30	42
2013-09-30	32
2013-12-31	38
2014-03-31	20
2014-06-30	12
2014-09-30	68
2014-12-31	72
2015-03-31	24
2015-06-30	33
2015-09-30	32
2015-12-31	21
2016-03-31	32
2016-06-30	36
2016-09-30	32
2016-12-31	33
2017-03-31	31
2017-06-30	48
2017-09-30	32
2017-12-31	32
2018-03-31	195
2018-06-30	152
2018-09-30	149
2018-12-31	216
2019-03-31	313
2019-06-30	356
2019-09-30	469
2019-12-31	332
2020-03-31	124
2020-06-30	174
2020-09-30	153
2020-12-31	46
2021-03-31	94
2021-06-30	97
2021-09-30	53
2021-12-31	113
2022-03-31	62
2022-06-30	41
2022-09-30	39
2022-12-31	99
2023-03-31	165
2023-06-30	160
2023-09-30	90