Quarter	US dollars
2004-12-31	48
2005-03-31	57
2005-06-30	181
2005-09-30	108
2005-12-31	120
2006-03-31	134
2006-06-30	111
2006-09-30	52
2006-12-31	57
2007-03-31	57
2007-06-30	56
2007-09-30	53
2007-12-31	54
2008-03-31	60
2008-06-30	86
2008-09-30	130
2008-12-31	132
2009-03-31	186
2009-06-30	291
2009-09-30	198
2009-12-31	210
2010-03-31	206
2010-06-30	208
2010-09-30	110
2010-12-31	103
2011-03-31	115
2011-06-30	117
2011-09-30	125
2013-06-30	140
2013-09-30	138
2013-12-31	84
2014-03-31	118
2014-06-30	125
2014-09-30	130
2014-12-31	128
2015-03-31	137
2015-06-30	107
2015-09-30	65
2015-12-31	67
2016-03-31	68
2016-06-30	67
2016-09-30	66
2016-12-31	60
2017-03-31	66
2017-06-30	53
2017-09-30	5
2017-12-31	57
2018-03-31	81
2018-06-30	78
2018-09-30	81
2018-12-31	24
2019-03-31	23
2019-06-30	73
2019-09-30	90
2019-12-31	87
2020-03-31	88
2020-06-30	85
2020-09-30	88
2020-12-31	81
2021-03-31	84
2021-06-30	80
2021-09-30	76
2021-12-31	75
2022-03-31	68
2022-06-30	70
2022-09-30	-1
2022-12-31	-2
2023-03-31	0
2023-06-30	7
2023-09-30	137