Quarter	US dollars
2004-12-31	169
2005-03-31	146
2005-06-30	131
2005-09-30	142
2005-12-31	129
2006-03-31	156
2006-06-30	178
2006-09-30	219
2006-12-31	211
2007-03-31	178
2007-06-30	183
2007-09-30	210
2007-12-31	219
2008-03-31	316
2008-06-30	285
2008-09-30	271
2008-12-31	319
2009-03-31	1768
2009-06-30	1747
2009-09-30	1713
2009-12-31	2088
2010-03-31	2067
2010-06-30	2096
2010-09-30	2100
2010-12-31	3053
2011-03-31	2020
2011-06-30	2025
2011-09-30	2084
2011-12-31	2131
2012-03-31	2106
2012-06-30	2116
2012-09-30	2125
2012-12-31	2129
2013-03-31	2127
2013-06-30	2160
2013-09-30	2112
2013-12-31	119
2014-03-31	125
2014-06-30	128
2014-09-30	117
2014-12-31	122
2015-03-31	110
2015-06-30	93
2015-09-30	159
2015-12-31	159
2016-03-31	152
2016-06-30	150
2016-09-30	157
2016-12-31	180
2017-03-31	119
2017-06-30	145
2017-09-30	216
2017-12-31	196
2018-03-31	91
2018-06-30	54
2018-09-30	76
2018-12-31	147
2019-03-31	218
2019-06-30	158
2019-09-30	217
2019-12-31	436
2020-03-31	402
2020-06-30	300
2020-09-30	107
2020-12-31	48
2021-03-31	44
2021-06-30	47
2021-09-30	44
2021-12-31	47
2022-03-31	117
2022-06-30	102
2022-09-30	163
2022-12-31	191
2023-03-31	190
2023-06-30	157
2023-09-30	182