Quarter	US dollars
2004-12-31	111
2005-03-31	104
2005-06-30	75
2005-09-30	87
2005-12-31	106
2006-03-31	142
2006-06-30	94
2006-09-30	88
2006-12-31	145
2007-03-31	116
2007-06-30	114
2007-09-30	100
2007-12-31	147
2008-03-31	193
2008-06-30	141
2008-09-30	144
2008-12-31	139
2009-03-31	93
2009-06-30	69
2009-09-30	50
2009-12-31	47
2010-03-31	185
2010-06-30	169
2010-09-30	167
2010-12-31	169
2011-03-31	168
2011-06-30	151
2011-09-30	100
2011-12-31	148
2012-03-31	86
2012-06-30	337
2012-09-30	367
2012-12-31	606
2013-03-31	726
2013-06-30	654
2013-09-30	484
2013-12-31	626
2014-03-31	499
2014-06-30	797
2014-09-30	882
2014-12-31	440
2015-03-31	451
2015-06-30	428
2015-09-30	158
2015-12-31	197
2016-03-31	168
2016-06-30	290
2016-09-30	295
2016-12-31	261
2017-03-31	298
2017-06-30	729
2017-09-30	663
2017-12-31	590
2018-03-31	1222
2018-06-30	1157
2018-09-30	1152
2018-12-31	1402
2019-03-31	1661
2019-06-30	1404
2019-09-30	1573
2019-12-31	1398
2020-03-31	1429
2020-06-30	1508
2020-09-30	1804
2020-12-31	1753
2021-03-31	1820
2021-06-30	2348
2021-09-30	2202
2021-12-31	2009
2022-03-31	2131
2022-06-30	1920
2022-09-30	1766
2022-12-31	1553
2023-03-31	1746
2023-06-30	1125
2023-09-30	1081