Quarter	US dollars
2004-12-31	10
2005-03-31	151
2005-06-30	145
2005-09-30	143
2005-12-31	136
2006-03-31	125
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	129
2010-06-30	171
2010-09-30	154
2010-12-31	180
2011-03-31	164
2011-06-30	157
2011-09-30	199
2011-12-31	201
2012-03-31	217
2012-06-30	195
2012-09-30	147
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	101
2015-03-31	101
2015-06-30	178
2015-09-30	186
2015-12-31	197
2016-03-31	173
2016-06-30	144
2016-09-30	136
2016-12-31	117
2017-03-31	200
2017-06-30	91
2017-09-30	122
2017-12-31	107
2018-03-31	121
2018-06-30	125
2018-09-30	108
2018-12-31	117
2019-03-31	96
2019-06-30	131
2019-09-30	145
2019-12-31	119
2020-03-31	119
2020-06-30	145
2020-09-30	114
2020-12-31	134
2021-03-31	195
2021-06-30	260
2021-09-30	396
2021-12-31	410
2022-03-31	391
2022-06-30	543
2022-09-30	633
2022-12-31	496
2023-03-31	467
2023-06-30	501
2023-09-30	466