Quarter	US dollars
2004-12-31	92
2005-03-31	53
2005-06-30	50
2005-09-30	65
2005-12-31	33
2006-03-31	9
2006-06-30	31
2006-09-30	34
2006-12-31	37
2007-03-31	22
2007-06-30	8
2007-09-30	12
2007-12-31	207
2008-03-31	42
2008-06-30	34
2008-09-30	7
2008-12-31	63
2009-03-31	60
2009-06-30	165
2009-09-30	37
2009-12-31	71
2010-03-31	33
2010-06-30	9
2010-09-30	33
2010-12-31	58
2011-03-31	43
2011-06-30	34
2011-09-30	39
2011-12-31	49
2012-03-31	179
2012-06-30	193
2012-09-30	149
2012-12-31	222
2013-03-31	241
2013-06-30	235
2013-09-30	202
2013-12-31	238
2014-03-31	97
2014-06-30	178
2014-09-30	178
2014-12-31	117
2015-03-31	116
2015-06-30	115
2015-09-30	139
2015-12-31	136
2016-03-31	24
2016-06-30	117
2016-09-30	134
2016-12-31	97
2017-03-31	61
2017-06-30	158
2017-09-30	170
2017-12-31	161
2018-03-31	114
2018-06-30	124
2018-09-30	147
2018-12-31	134
2019-03-31	69
2019-06-30	78
2019-09-30	96
2019-12-31	90
2020-03-31	51
2020-06-30	44
2020-09-30	65
2020-12-31	64
2021-03-31	43
2021-06-30	80
2021-09-30	84
2021-12-31	88
2022-03-31	64
2022-06-30	78
2022-09-30	87
2022-12-31	89
2023-03-31	55
2023-06-30	69
2023-09-30	97