Quarter	US dollars
2004-12-31	117
2005-03-31	214
2005-06-30	176
2005-09-30	164
2005-12-31	160
2006-03-31	142
2006-06-30	131
2006-09-30	121
2006-12-31	155
2007-03-31	133
2007-06-30	156
2007-09-30	149
2007-12-31	141
2008-03-31	151
2008-06-30	115
2008-09-30	91
2008-12-31	72
2009-03-31	69
2009-06-30	76
2009-09-30	77
2009-12-31	36
2010-03-31	47
2010-06-30	1
2010-09-30	32
2010-12-31	39
2011-03-31	51
2011-06-30	16
2011-09-30	47
2011-12-31	15
2012-03-31	14
2012-06-30	2
2012-09-30	8
2012-12-31	16
2013-03-31	52
2013-06-30	38
2013-09-30	52
2013-12-31	5
2014-03-31	33
2014-06-30	77
2014-09-30	50
2014-12-31	37
2015-03-31	73
2015-06-30	30
2015-09-30	123
2015-12-31	421
2016-03-31	556
2016-06-30	193
2016-09-30	449
2016-12-31	12
2017-03-31	552
2017-06-30	401
2017-09-30	19
2017-12-31	76
2018-03-31	38
2018-06-30	127
2018-09-30	490
2018-12-31	27
2019-03-31	846
2019-06-30	762
2019-09-30	298
2019-12-31	305
2020-03-31	41
2020-06-30	56
2020-09-30	980
2020-12-31	614
2021-03-31	155
2021-06-30	314
2021-09-30	368
2021-12-31	1066
2022-03-31	1139
2022-06-30	1424
2022-09-30	757
2022-12-31	846
2023-03-31	556
2023-06-30	1017
2023-09-30	31