Quarter	US dollars
2004-12-31	2
2005-03-31	2
2005-06-30	2
2005-09-30	2
2005-12-31	10
2006-03-31	9
2006-06-30	9
2006-09-30	9
2006-12-31	4
2007-03-31	12
2007-06-30	14
2007-09-30	6
2007-12-31	24
2008-03-31	54
2008-06-30	52
2008-09-30	45
2008-12-31	13
2009-03-31	92
2009-06-30	100
2009-09-30	99
2009-12-31	107
2010-03-31	56
2010-06-30	120
2010-09-30	88
2010-12-31	142
2011-03-31	253
2011-06-30	295
2011-09-30	154
2011-12-31	196
2012-03-31	112
2012-06-30	110
2012-09-30	68
2012-12-31	291
2013-03-31	12
2013-06-30	221
2013-09-30	614
2013-12-31	2496
2014-03-31	143
2014-06-30	451
2014-09-30	420
2014-12-31	404
2015-03-31	45
2015-06-30	123
2015-09-30	101
2015-12-31	127
2016-03-31	86
2016-06-30	68
2016-09-30	114
2016-12-31	90
2017-03-31	95
2017-06-30	68
2017-09-30	74
2017-12-31	39
2018-03-31	288
2018-06-30	239
2018-09-30	263
2018-12-31	238
2019-03-31	215
2019-06-30	234
2019-09-30	219
2019-12-31	240
2020-03-31	215
2020-06-30	164
2020-09-30	164
2020-12-31	314
2021-03-31	210
2021-06-30	133
2021-09-30	139
2021-12-31	155
2022-03-31	95
2022-06-30	214
2022-09-30	309
2022-12-31	366
2023-03-31	392
2023-06-30	256
2023-09-30	167