Quarter	US dollars
2004-12-31	54
2005-03-31	21
2005-06-30	65
2005-09-30	73
2005-12-31	36
2006-03-31	47
2006-06-30	52
2006-09-30	32
2006-12-31	39
2007-03-31	82
2007-06-30	94
2007-09-30	67
2007-12-31	74
2008-03-31	36
2008-06-30	50
2008-09-30	61
2008-12-31	13
2009-03-31	17
2009-06-30	252
2009-09-30	259
2009-12-31	21
2010-03-31	18
2010-06-30	549
2010-09-30	684
2010-12-31	163
2011-03-31	212
2011-06-30	557
2011-09-30	298
2011-12-31	952
2012-03-31	791
2012-06-30	213
2012-09-30	980
2012-12-31	304
2013-03-31	49
2013-06-30	117
2013-09-30	291
2013-12-31	273
2014-03-31	15
2014-06-30	74
2014-09-30	63
2014-12-31	53
2015-03-31	42
2015-06-30	22
2015-09-30	23
2015-12-31	37
2016-03-31	33
2016-06-30	8
2016-09-30	60
2016-12-31	25
2017-03-31	5
2017-06-30	5
2017-09-30	4
2017-12-31	5
2018-03-31	13
2018-06-30	22
2018-09-30	40
2018-12-31	41
2019-03-31	46
2019-06-30	178
2019-09-30	63
2019-12-31	107
2020-03-31	37
2020-06-30	1
2020-09-30	1
2020-12-31	1
2021-03-31	84
2021-06-30	120
2021-09-30	42
2021-12-31	1
2022-03-31	0
2022-06-30	45
2022-09-30	41
2022-12-31	256
2023-03-31	263
2023-06-30	3
2023-09-30	10