Quarter	US dollars
2004-12-31	38
2005-03-31	26
2005-06-30	88
2005-09-30	92
2005-12-31	129
2006-03-31	146
2006-06-30	59
2006-09-30	45
2006-12-31	78
2007-03-31	76
2007-06-30	70
2007-09-30	71
2007-12-31	52
2008-03-31	20
2008-06-30	80
2008-09-30	43
2008-12-31	89
2009-03-31	83
2009-06-30	87
2009-09-30	40
2009-12-31	376
2010-03-31	309
2010-06-30	464
2010-09-30	477
2010-12-31	643
2011-03-31	553
2011-06-30	438
2011-09-30	312
2011-12-31	90
2012-03-31	93
2012-06-30	163
2012-09-30	145
2012-12-31	142
2013-03-31	158
2013-06-30	231
2013-09-30	223
2013-12-31	197
2014-03-31	112
2014-06-30	415
2014-09-30	285
2014-12-31	112
2015-03-31	285
2015-06-30	99
2015-09-30	38
2015-12-31	43
2016-03-31	13
2016-06-30	204
2016-09-30	199
2016-12-31	32
2017-03-31	123
2017-06-30	171
2017-09-30	106
2017-12-31	23
2018-03-31	184
2018-06-30	363
2018-09-30	395
2018-12-31	194
2019-03-31	188
2019-06-30	155
2019-09-30	57
2019-12-31	44
2020-03-31	43
2020-06-30	53
2020-09-30	50
2020-12-31	44
2021-03-31	50
2021-06-30	65
2021-09-30	90
2021-12-31	115
2022-03-31	754
2022-06-30	158
2022-09-30	160
2022-12-31	344
2023-03-31	342
2023-06-30	270
2023-09-30	231