Quarter	US dollars
2004-12-31	267
2005-03-31	295
2005-06-30	226
2005-09-30	170
2005-12-31	2
2006-03-31	2
2006-06-30	4
2006-09-30	4
2006-12-31	4
2007-03-31	4
2007-06-30	4
2007-09-30	6
2007-12-31	8
2008-03-31	12
2008-06-30	14
2008-09-30	18
2008-12-31	19
2009-03-31	24
2009-06-30	20
2009-09-30	18
2009-12-31	24
2010-03-31	21
2010-06-30	21
2010-09-30	28
2010-12-31	31
2011-03-31	37
2011-06-30	37
2011-09-30	41
2011-12-31	40
2012-03-31	50
2012-06-30	80
2012-09-30	111
2012-12-31	108
2013-03-31	121
2013-06-30	123
2013-09-30	121
2013-12-31	137
2014-03-31	203
2014-06-30	180
2014-09-30	115
2014-12-31	114
2015-03-31	154
2015-06-30	146
2015-09-30	109
2015-12-31	101
2016-03-31	73
2016-06-30	73
2016-09-30	64
2016-12-31	68
2017-03-31	24
2017-06-30	64
2017-09-30	78
2017-12-31	18
2018-03-31	53
2018-06-30	48
2018-09-30	44
2018-12-31	38
2019-03-31	35
2019-06-30	36
2019-09-30	62
2019-12-31	69
2020-03-31	74
2020-06-30	108
2020-09-30	111
2020-12-31	135
2021-03-31	132
2021-06-30	133
2021-09-30	120
2021-12-31	115
2022-03-31	143
2022-06-30	141
2022-09-30	156
2022-12-31	227
2023-03-31	227
2023-06-30	300
2023-09-30	374