Quarter	US dollars
2004-12-31	392
2005-03-31	355
2005-06-30	314
2005-09-30	253
2005-12-31	259
2006-03-31	229
2006-06-30	198
2006-09-30	176
2006-12-31	207
2007-03-31	208
2007-06-30	195
2007-09-30	283
2007-12-31	249
2008-03-31	211
2008-06-30	173
2008-09-30	779
2008-12-31	456
2009-03-31	341
2009-06-30	173
2009-09-30	182
2009-12-31	254
2010-03-31	174
2010-06-30	245
2010-09-30	227
2010-12-31	236
2011-03-31	228
2011-06-30	185
2011-09-30	140
2011-12-31	153
2012-03-31	153
2012-06-30	105
2012-09-30	132
2012-12-31	141
2013-03-31	161
2013-06-30	143
2013-09-30	131
2013-12-31	145
2014-03-31	130
2014-06-30	133
2014-09-30	276
2014-12-31	147
2015-03-31	89
2015-06-30	94
2015-09-30	71
2015-12-31	65
2016-03-31	69
2016-06-30	70
2016-09-30	77
2016-12-31	58
2017-03-31	56
2017-06-30	51
2017-09-30	66
2017-12-31	111
2018-03-31	36
2018-06-30	26
2018-09-30	31
2018-12-31	24
2019-03-31	26
2019-06-30	59
2019-09-30	74
2019-12-31	54
2020-03-31	125
2020-06-30	137
2020-09-30	150
2020-12-31	157
2021-03-31	95
2021-06-30	7
2021-09-30	23
2021-12-31	70
2022-03-31	37
2022-06-30	92
2022-09-30	0
2022-12-31	11
2023-03-31	4
2023-06-30	1
2023-09-30	3