Quarter	US dollars
2004-12-31	0
2005-03-31	4
2005-06-30	2
2005-09-30	2
2005-12-31	2
2006-03-31	3
2006-06-30	4
2006-09-30	21
2006-12-31	20
2007-03-31	57
2007-06-30	506
2007-09-30	538
2007-12-31	92
2008-03-31	70
2008-06-30	56
2008-09-30	80
2008-12-31	46
2009-03-31	129
2009-06-30	28
2009-09-30	30
2009-12-31	223
2010-03-31	197
2010-06-30	211
2010-09-30	225
2010-12-31	221
2011-03-31	194
2011-06-30	135
2011-09-30	97
2011-12-31	82
2012-03-31	53
2012-06-30	50
2012-09-30	76
2012-12-31	57
2013-03-31	83
2013-06-30	58
2013-09-30	34
2013-12-31	25
2014-03-31	30
2014-06-30	29
2014-09-30	28
2014-12-31	30
2015-03-31	25
2015-06-30	85
2015-09-30	161
2015-12-31	159
2016-03-31	24
2016-06-30	171
2016-09-30	155
2016-12-31	14
2017-03-31	14
2017-06-30	97
2017-09-30	113
2017-12-31	85
2018-03-31	73
2018-06-30	137
2018-09-30	99
2018-12-31	66
2019-03-31	61
2019-06-30	6
2019-09-30	6
2019-12-31	7
2020-03-31	5
2020-06-30	6
2020-09-30	213
2020-12-31	237
2021-03-31	124
2021-06-30	122
2021-09-30	117
2021-12-31	22
2022-03-31	21
2022-06-30	17
2022-09-30	16
2022-12-31	1
2023-03-31	338
2023-06-30	358
2023-09-30	395