Quarter	US dollars
2004-12-31	25
2005-03-31	38
2005-06-30	48
2005-09-30	74
2005-12-31	82
2006-03-31	69
2006-06-30	120
2006-09-30	19
2006-12-31	31
2007-03-31	18
2007-06-30	76
2007-09-30	196
2007-12-31	141
2008-03-31	87
2008-06-30	64
2008-09-30	57
2008-12-31	45
2009-03-31	39
2009-06-30	16
2009-09-30	32
2009-12-31	18
2010-03-31	24
2010-06-30	43
2010-09-30	27
2010-12-31	25
2011-03-31	88
2011-06-30	77
2011-09-30	95
2011-12-31	547
2012-03-31	24
2012-06-30	9
2012-09-30	58
2012-12-31	209
2013-03-31	176
2013-06-30	220
2013-09-30	236
2013-12-31	288
2014-03-31	290
2014-06-30	291
2014-09-30	264
2014-12-31	243
2015-03-31	34
2015-06-30	36
2015-09-30	35
2015-12-31	33
2016-03-31	10
2016-06-30	20
2016-09-30	17
2016-12-31	171
2017-03-31	121
2017-06-30	18
2017-09-30	19
2017-12-31	185
2018-03-31	192
2018-06-30	184
2018-09-30	175
2018-12-31	181
2019-03-31	188
2019-06-30	195
2019-09-30	180
2019-12-31	189
2020-03-31	186
2020-06-30	189
2020-09-30	194
2020-12-31	20
2021-03-31	25
2021-06-30	25
2021-09-30	23
2021-12-31	9
2022-03-31	691
2022-06-30	6
2022-09-30	6
2022-12-31	149
2023-03-31	156
2023-06-30	174
2023-09-30	164