Quarter	US dollars
2004-12-31	29
2005-03-31	13
2005-06-30	7
2005-09-30	11
2005-12-31	10
2006-03-31	10
2006-06-30	11
2006-09-30	26
2006-12-31	12
2007-03-31	12
2007-06-30	30
2007-09-30	43
2007-12-31	48
2008-03-31	50
2008-06-30	54
2008-09-30	12
2008-12-31	13
2009-03-31	10
2009-06-30	12
2009-09-30	43
2009-12-31	182
2010-03-31	8
2010-06-30	9
2010-09-30	9
2010-12-31	11
2011-03-31	5
2011-06-30	5
2011-09-30	14
2011-12-31	12
2012-03-31	16
2012-06-30	31
2012-09-30	284
2012-12-31	293
2013-03-31	266
2013-06-30	262
2013-09-30	194
2013-12-31	159
2014-03-31	177
2014-06-30	233
2014-09-30	118
2014-12-31	115
2015-03-31	22
2015-06-30	252
2015-09-30	50
2015-12-31	39
2016-03-31	35
2016-06-30	17
2016-09-30	103
2016-12-31	69
2017-03-31	10
2017-06-30	95
2017-09-30	172
2017-12-31	238
2018-03-31	154
2018-06-30	86
2018-09-30	73
2018-12-31	125
2019-03-31	94
2019-06-30	88
2019-09-30	81
2019-12-31	57
2020-03-31	53
2020-06-30	28
2020-09-30	18
2020-12-31	18
2021-03-31	29
2021-06-30	12
2021-09-30	9
2021-12-31	13
2022-03-31	11
2022-06-30	10
2022-09-30	34
2022-12-31	32
2023-03-31	41
2023-06-30	33
2023-09-30	29