Quarter	US dollars
2004-12-31	10
2005-03-31	147
2005-06-30	143
2005-09-30	142
2005-12-31	136
2006-03-31	123
2006-06-30	146
2006-09-30	135
2006-12-31	147
2007-03-31	151
2007-06-30	130
2007-09-30	139
2007-12-31	48
2008-03-31	181
2008-06-30	197
2008-09-30	171
2008-12-31	157
2009-03-31	136
2009-06-30	173
2009-09-30	170
2009-12-31	168
2010-03-31	127
2010-06-30	168
2010-09-30	151
2010-12-31	177
2011-03-31	160
2011-06-30	156
2011-09-30	198
2011-12-31	201
2012-03-31	216
2012-06-30	195
2012-09-30	145
2012-12-31	137
2013-03-31	121
2013-06-30	120
2013-09-30	125
2013-12-31	119
2014-03-31	98
2014-06-30	127
2014-09-30	117
2014-12-31	100
2015-03-31	102
2015-06-30	179
2015-09-30	189
2015-12-31	197
2016-03-31	173
2016-06-30	144
2016-09-30	136
2016-12-31	117
2017-03-31	199
2017-06-30	84
2017-09-30	109
2017-12-31	96
2018-03-31	107
2018-06-30	110
2018-09-30	100
2018-12-31	111
2019-03-31	90
2019-06-30	125
2019-09-30	139
2019-12-31	116
2020-03-31	114
2020-06-30	136
2020-09-30	106
2020-12-31	127
2021-03-31	179
2021-06-30	231
2021-09-30	309
2021-12-31	274
2022-03-31	208
2022-06-30	321
2022-09-30	406
2022-12-31	332
2023-03-31	324
2023-06-30	308
2023-09-30	317