Quarter	US dollars
2004-12-31	58
2005-03-31	74
2005-06-30	54
2005-09-30	78
2005-12-31	74
2006-03-31	76
2006-06-30	50
2006-09-30	37
2006-12-31	67
2007-03-31	73
2007-06-30	70
2007-09-30	63
2007-12-31	66
2008-03-31	68
2008-06-30	80
2008-09-30	139
2008-12-31	91
2009-03-31	93
2009-06-30	46
2009-09-30	16
2009-12-31	31
2010-03-31	17
2010-06-30	40
2010-09-30	55
2010-12-31	97
2011-03-31	162
2011-06-30	191
2011-09-30	185
2011-12-31	127
2012-03-31	104
2012-06-30	111
2012-09-30	121
2012-12-31	107
2013-03-31	99
2013-06-30	288
2013-09-30	206
2013-12-31	266
2014-03-31	275
2014-06-30	195
2014-09-30	188
2014-12-31	108
2015-03-31	108
2015-06-30	184
2015-09-30	235
2015-12-31	130
2016-03-31	131
2016-06-30	156
2016-09-30	138
2016-12-31	247
2017-03-31	266
2017-06-30	142
2017-09-30	114
2017-12-31	53
2018-03-31	51
2018-06-30	129
2018-09-30	119
2018-12-31	114
2019-03-31	160
2019-06-30	172
2019-09-30	148
2019-12-31	115
2020-03-31	264
2020-06-30	261
2020-09-30	164
2020-12-31	403
2021-03-31	915
2021-06-30	869
2021-09-30	982
2021-12-31	1066
2022-03-31	216
2022-06-30	271
2022-09-30	288
2022-12-31	202
2023-03-31	197
2023-06-30	160
2023-09-30	178