Quarter	US dollars
2004-12-31	96
2005-03-31	83
2005-06-30	84
2005-09-30	81
2005-12-31	88
2006-03-31	80
2006-06-30	94
2006-09-30	97
2006-12-31	106
2007-03-31	147
2007-06-30	124
2007-09-30	143
2007-12-31	145
2008-03-31	189
2008-06-30	119
2008-09-30	91
2008-12-31	99
2009-03-31	76
2009-06-30	68
2009-09-30	75
2009-12-31	61
2010-03-31	65
2010-06-30	60
2010-09-30	61
2010-12-31	105
2011-03-31	90
2011-06-30	109
2011-09-30	134
2011-12-31	139
2012-03-31	193
2012-06-30	199
2012-09-30	150
2012-12-31	199
2013-03-31	193
2013-06-30	228
2013-09-30	115
2013-12-31	175
2014-03-31	127
2014-06-30	41
2014-09-30	89
2014-12-31	125
2015-03-31	80
2015-06-30	44
2015-09-30	50
2015-12-31	43
2016-03-31	45
2016-06-30	58
2016-09-30	74
2016-12-31	124
2017-03-31	108
2017-06-30	78
2017-09-30	86
2017-12-31	92
2018-03-31	87
2018-06-30	53
2018-09-30	42
2018-12-31	49
2019-03-31	33
2019-06-30	31
2019-09-30	31
2019-12-31	37
2020-03-31	41
2020-06-30	37
2020-09-30	12
2020-12-31	4
2021-03-31	12
2021-06-30	3
2021-09-30	15
2021-12-31	30
2022-03-31	25
2022-06-30	29
2022-09-30	29
2022-12-31	30
2023-03-31	22
2023-06-30	10
2023-09-30	0