Quarter	US dollars
2004-12-31	42
2005-03-31	38
2005-06-30	22
2005-09-30	9
2005-12-31	33
2006-03-31	215
2006-06-30	239
2006-09-30	234
2006-12-31	258
2007-03-31	84
2007-06-30	100
2007-09-30	104
2007-12-31	56
2008-03-31	197
2008-06-30	259
2008-09-30	328
2008-12-31	188
2009-03-31	214
2009-06-30	189
2009-09-30	94
2009-12-31	160
2010-03-31	322
2010-06-30	221
2010-09-30	687
2010-12-31	575
2011-03-31	436
2011-06-30	480
2011-09-30	368
2011-12-31	473
2012-03-31	455
2012-06-30	398
2012-09-30	384
2012-12-31	380
2013-03-31	342
2013-06-30	278
2013-09-30	233
2013-12-31	152
2014-03-31	140
2014-06-30	111
2014-09-30	44
2014-12-31	100
2015-03-31	53
2015-06-30	82
2015-09-30	106
2015-12-31	76
2016-03-31	129
2016-06-30	115
2016-09-30	148
2016-12-31	111
2017-03-31	41
2017-06-30	44
2017-09-30	140
2017-12-31	120
2018-03-31	111
2018-06-30	162
2018-09-30	200
2018-12-31	193
2019-03-31	167
2019-06-30	229
2019-09-30	92
2019-12-31	155
2020-03-31	166
2020-06-30	213
2020-09-30	97
2020-12-31	115
2021-03-31	167
2021-06-30	95
2021-09-30	115
2021-12-31	26
2022-03-31	39
2022-06-30	97
2022-09-30	132
2022-12-31	147
2023-03-31	145
2023-06-30	48
2023-09-30	74