Quarter	US dollars
2004-12-31	234
2005-03-31	206
2005-06-30	118
2005-09-30	191
2005-12-31	278
2006-03-31	444
2006-06-30	333
2006-09-30	362
2006-12-31	325
2007-03-31	157
2007-06-30	269
2007-09-30	314
2007-12-31	404
2008-03-31	574
2008-06-30	480
2008-09-30	642
2008-12-31	482
2009-03-31	320
2009-06-30	203
2009-09-30	152
2009-12-31	176
2010-03-31	176
2010-06-30	169
2010-09-30	66
2010-12-31	78
2011-03-31	123
2011-06-30	148
2011-09-30	139
2011-12-31	263
2012-03-31	305
2012-06-30	275
2012-09-30	287
2012-12-31	196
2013-03-31	170
2013-06-30	187
2013-09-30	78
2013-12-31	104
2014-03-31	68
2014-06-30	46
2014-09-30	86
2014-12-31	184
2015-03-31	184
2015-06-30	176
2015-09-30	161
2015-12-31	160
2016-03-31	138
2016-06-30	89
2016-09-30	38
2016-12-31	111
2017-03-31	124
2017-06-30	181
2017-09-30	115
2017-12-31	69
2018-03-31	181
2018-06-30	145
2018-09-30	91
2018-12-31	102
2019-03-31	177
2019-06-30	109
2019-09-30	53
2019-12-31	85
2020-03-31	113
2020-06-30	21
2020-09-30	35
2020-12-31	31
2021-03-31	26
2021-06-30	23
2021-09-30	43
2021-12-31	40
2022-03-31	47
2022-06-30	23
2022-09-30	14
2022-12-31	21
2023-03-31	23
2023-06-30	17
2023-09-30	20