Quarter	US dollars
2004-12-31	131
2005-03-31	125
2005-06-30	156
2005-09-30	157
2005-12-31	81
2006-03-31	120
2006-06-30	107
2006-09-30	120
2006-12-31	204
2007-03-31	502
2007-06-30	700
2007-09-30	691
2007-12-31	615
2008-03-31	809
2008-06-30	886
2008-09-30	740
2008-12-31	758
2009-03-31	636
2009-06-30	390
2009-09-30	555
2009-12-31	525
2010-03-31	502
2010-06-30	513
2010-09-30	525
2010-12-31	488
2011-03-31	486
2011-06-30	334
2011-09-30	184
2011-12-31	201
2012-03-31	203
2012-06-30	119
2012-09-30	105
2012-12-31	181
2013-03-31	287
2013-06-30	259
2013-09-30	243
2013-12-31	117
2014-03-31	192
2014-06-30	87
2014-09-30	83
2014-12-31	172
2015-03-31	153
2015-06-30	135
2015-09-30	130
2015-12-31	47
2016-03-31	63
2016-06-30	48
2016-09-30	38
2016-12-31	39
2017-03-31	78
2017-06-30	230
2017-09-30	283
2017-12-31	142
2018-03-31	69
2018-06-30	177
2018-09-30	86
2018-12-31	83
2019-03-31	87
2019-06-30	51
2019-09-30	67
2019-12-31	32
2020-03-31	24
2020-06-30	84
2020-09-30	36
2020-12-31	105
2021-03-31	91
2021-06-30	167
2021-09-30	162
2021-12-31	155
2022-03-31	165
2022-06-30	134
2022-09-30	136
2022-12-31	144
2023-03-31	70
2023-06-30	27
2023-09-30	131