Quarter	US dollars
2004-12-31	309
2005-03-31	318
2005-06-30	344
2005-09-30	147
2005-12-31	184
2006-03-31	179
2006-06-30	170
2006-09-30	166
2006-12-31	209
2007-03-31	224
2007-06-30	207
2007-09-30	198
2007-12-31	108
2008-03-31	113
2008-06-30	76
2008-09-30	68
2008-12-31	91
2009-03-31	82
2009-06-30	82
2009-09-30	69
2009-12-31	76
2010-03-31	79
2010-06-30	103
2010-09-30	107
2010-12-31	89
2011-03-31	357
2011-06-30	80
2011-09-30	174
2011-12-31	356
2012-03-31	380
2012-06-30	373
2012-09-30	191
2012-12-31	179
2013-03-31	156
2013-06-30	203
2013-09-30	180
2013-12-31	202
2014-03-31	345
2014-06-30	335
2014-09-30	329
2014-12-31	342
2015-03-31	287
2015-06-30	102
2015-09-30	98
2015-12-31	96
2016-03-31	75
2016-06-30	21
2016-09-30	66
2016-12-31	64
2017-03-31	64
2017-06-30	10
2017-09-30	7
2017-12-31	9
2018-03-31	8
2018-06-30	17
2018-09-30	33
2018-12-31	15
2019-03-31	96
2019-06-30	89
2019-09-30	81
2019-12-31	83
2020-03-31	81
2020-06-30	82
2020-09-30	101
2020-12-31	126
2021-03-31	62
2021-06-30	41
2021-09-30	38
2021-12-31	39
2022-03-31	42
2022-06-30	41
2022-09-30	35
2022-12-31	30
2023-03-31	29
2023-06-30	28
2023-09-30	27