Quarter	US dollars
2004-12-31	10
2005-03-31	8
2005-06-30	7
2005-09-30	11
2005-12-31	9
2006-03-31	5
2006-06-30	11
2006-09-30	7
2006-12-31	14
2007-03-31	27
2007-06-30	522
2007-09-30	157
2007-12-31	147
2008-03-31	147
2008-06-30	46
2008-09-30	96
2008-12-31	138
2009-03-31	119
2009-06-30	124
2009-09-30	259
2009-12-31	170
2010-03-31	174
2010-06-30	197
2010-09-30	79
2010-12-31	28
2011-03-31	85
2011-06-30	103
2011-09-30	98
2011-12-31	131
2012-03-31	115
2012-06-30	157
2012-09-30	152
2012-12-31	94
2013-03-31	94
2013-06-30	85
2013-09-30	76
2013-12-31	64
2014-03-31	18
2014-06-30	19
2014-09-30	13
2014-12-31	9
2015-03-31	31
2015-06-30	46
2015-09-30	120
2015-12-31	114
2016-03-31	177
2016-06-30	177
2016-09-30	144
2016-12-31	157
2017-03-31	139
2017-06-30	329
2017-09-30	284
2017-12-31	209
2018-03-31	251
2018-06-30	242
2018-09-30	256
2018-12-31	194
2019-03-31	208
2019-06-30	143
2019-09-30	121
2019-12-31	279
2020-03-31	257
2020-06-30	132
2020-09-30	140
2020-12-31	150
2021-03-31	155
2021-06-30	158
2021-09-30	218
2021-12-31	150
2022-03-31	128
2022-06-30	172
2022-09-30	156
2022-12-31	127
2023-03-31	84
2023-06-30	58
2023-09-30	97