Quarter	US dollars
2004-12-31	653
2005-03-31	490
2005-06-30	418
2005-09-30	209
2005-12-31	163
2006-03-31	139
2006-06-30	163
2006-09-30	185
2006-12-31	172
2007-03-31	588
2007-06-30	1218
2007-09-30	3156
2007-12-31	100
2008-03-31	85
2008-06-30	78
2008-09-30	75
2008-12-31	92
2009-03-31	181
2009-06-30	194
2009-09-30	152
2009-12-31	174
2010-03-31	146
2010-06-30	199
2010-09-30	199
2010-12-31	161
2011-03-31	221
2011-06-30	201
2011-09-30	196
2011-12-31	247
2012-03-31	254
2012-06-30	270
2012-09-30	257
2012-12-31	396
2013-03-31	455
2013-06-30	472
2013-09-30	481
2013-12-31	527
2014-03-31	327
2014-06-30	412
2014-09-30	433
2014-12-31	376
2015-03-31	383
2015-06-30	308
2015-09-30	336
2015-12-31	344
2016-03-31	302
2016-06-30	293
2016-09-30	300
2016-12-31	299
2017-03-31	373
2017-06-30	225
2017-09-30	264
2017-12-31	276
2018-03-31	225
2018-06-30	287
2018-09-30	305
2018-12-31	319
2019-03-31	197
2019-06-30	137
2019-09-30	155
2019-12-31	161
2020-03-31	112
2020-06-30	84
2020-09-30	96
2020-12-31	91
2021-03-31	83
2021-06-30	145
2021-09-30	155
2021-12-31	148
2022-03-31	136
2022-06-30	124
2022-09-30	117
2022-12-31	119
2023-03-31	97
2023-06-30	93
2023-09-30	126