Quarter	US dollars
2004-12-31	123
2005-03-31	142
2005-06-30	149
2005-09-30	133
2005-12-31	122
2006-03-31	121
2006-06-30	129
2006-09-30	105
2006-12-31	114
2007-03-31	129
2007-06-30	118
2007-09-30	137
2007-12-31	141
2008-03-31	72
2008-06-30	74
2008-09-30	84
2008-12-31	55
2009-03-31	44
2009-06-30	51
2009-09-30	66
2009-12-31	65
2010-03-31	99
2010-06-30	22
2010-09-30	80
2010-12-31	415
2011-03-31	196
2011-06-30	145
2011-09-30	156
2011-12-31	215
2012-03-31	260
2012-06-30	264
2012-09-30	266
2012-12-31	238
2013-03-31	264
2013-06-30	273
2013-09-30	283
2013-12-31	284
2014-03-31	60
2014-06-30	51
2014-09-30	41
2014-12-31	41
2015-03-31	36
2015-06-30	63
2015-09-30	77
2015-12-31	111
2016-03-31	139
2016-06-30	128
2016-09-30	134
2016-12-31	187
2017-03-31	160
2017-06-30	16
2017-09-30	1
2017-12-31	8
2018-03-31	8
2018-06-30	7
2018-09-30	8
2018-12-31	5
2019-03-31	5
2019-06-30	8
2019-09-30	11
2019-12-31	11
2020-03-31	11
2020-06-30	7
2020-09-30	1
2020-12-31	1
2021-03-31	1
2021-06-30	3
2021-09-30	19
2021-12-31	4
2022-03-31	3
2022-06-30	5
2022-09-30	9
2022-12-31	5
2023-03-31	4
2023-06-30	4
2023-09-30	6