Quarter	US dollars
2004-12-31	240
2005-03-31	212
2005-06-30	95
2005-09-30	74
2005-12-31	93
2006-03-31	116
2006-06-30	113
2006-09-30	129
2006-12-31	108
2007-03-31	116
2007-06-30	106
2007-09-30	98
2007-12-31	108
2008-03-31	135
2008-06-30	28
2008-09-30	116
2008-12-31	109
2009-03-31	109
2009-06-30	119
2009-09-30	122
2009-12-31	128
2010-03-31	115
2010-06-30	124
2010-09-30	134
2010-12-31	141
2011-03-31	151
2011-06-30	161
2011-09-30	159
2011-12-31	139
2012-03-31	150
2012-06-30	136
2012-09-30	132
2012-12-31	150
2013-03-31	137
2013-06-30	137
2013-09-30	113
2013-12-31	126
2014-03-31	80
2014-06-30	92
2014-09-30	97
2014-12-31	9
2015-03-31	9
2015-06-30	28
2015-09-30	8
2015-12-31	39
2016-03-31	35
2016-06-30	32
2016-09-30	81
2016-12-31	37
2017-03-31	73
2017-06-30	56
2017-09-30	118
2017-12-31	41
2018-03-31	72
2018-06-30	26
2018-09-30	16
2018-12-31	13
2019-03-31	72
2019-06-30	31
2019-09-30	25
2019-12-31	18
2020-03-31	12
2020-06-30	38
2020-09-30	32
2020-12-31	40
2021-03-31	61
2021-06-30	64
2021-09-30	93
2021-12-31	109
2022-03-31	104
2022-06-30	101
2022-09-30	32
2022-12-31	9
2023-03-31	6
2023-06-30	1
2023-09-30	1