Quarter	US dollars
2004-12-31	29
2005-03-31	102
2005-06-30	45
2005-09-30	60
2005-12-31	10
2006-03-31	82
2006-06-30	85
2006-09-30	207
2006-12-31	104
2007-03-31	169
2007-06-30	995
2007-09-30	1013
2007-12-31	1025
2008-03-31	141
2008-06-30	171
2008-09-30	132
2008-12-31	98
2009-03-31	239
2009-06-30	231
2009-09-30	22
2009-12-31	23
2010-03-31	2
2010-06-30	180
2010-09-30	139
2010-12-31	260
2011-03-31	220
2011-06-30	278
2011-09-30	606
2011-12-31	138
2012-03-31	74
2012-06-30	212
2012-09-30	44
2012-12-31	222
2013-03-31	293
2013-06-30	366
2013-09-30	471
2013-12-31	255
2014-03-31	457
2014-06-30	604
2014-09-30	512
2014-12-31	848
2015-03-31	690
2015-06-30	366
2015-09-30	517
2015-12-31	273
2016-03-31	490
2016-06-30	309
2016-09-30	117
2016-12-31	202
2017-03-31	346
2017-06-30	179
2017-09-30	89
2017-12-31	153
2018-03-31	35
2018-06-30	21
2018-09-30	47
2018-12-31	97
2019-03-31	50
2019-06-30	93
2019-09-30	97
2019-12-31	71
2020-03-31	234
2020-06-30	69
2020-09-30	74
2020-12-31	35
2021-03-31	97
2021-06-30	86
2021-09-30	84
2021-12-31	65
2022-03-31	92
2022-06-30	122
2022-09-30	76
2022-12-31	62
2023-03-31	53
2023-06-30	34
2023-09-30	36