Quarter	US dollars
2004-12-31	21
2005-03-31	240
2005-06-30	371
2005-09-30	200
2005-12-31	220
2006-03-31	265
2006-06-30	141
2006-09-30	15
2006-12-31	90
2007-03-31	333
2007-06-30	261
2007-09-30	31
2007-12-31	123
2008-03-31	221
2008-06-30	189
2008-09-30	225
2008-12-31	561
2009-03-31	325
2009-06-30	249
2009-09-30	104
2009-12-31	95
2010-03-31	17
2010-06-30	209
2010-09-30	228
2010-12-31	781
2011-03-31	911
2011-06-30	629
2011-09-30	352
2011-12-31	550
2012-03-31	615
2012-06-30	569
2012-09-30	229
2012-12-31	343
2013-03-31	308
2013-06-30	85
2013-09-30	71
2013-12-31	167
2014-03-31	110
2014-06-30	62
2014-09-30	62
2014-12-31	36
2015-03-31	18
2015-06-30	620
2015-09-30	621
2015-12-31	65
2016-03-31	81
2016-06-30	47
2016-09-30	38
2016-12-31	18
2017-03-31	35
2017-06-30	39
2017-09-30	28
2017-12-31	62
2018-03-31	56
2018-06-30	1201
2018-09-30	1238
2018-12-31	107
2019-03-31	103
2019-06-30	98
2019-09-30	134
2019-12-31	168
2020-03-31	99
2020-06-30	109
2020-09-30	153
2020-12-31	590
2021-03-31	366
2021-06-30	243
2021-09-30	231
2021-12-31	139
2022-03-31	153
2022-06-30	154
2022-09-30	144
2022-12-31	230
2023-03-31	463
2023-06-30	133
2023-09-30	219