Quarter	US dollars
2004-12-31	90
2005-03-31	100
2005-06-30	108
2005-09-30	117
2005-12-31	142
2006-03-31	134
2006-06-30	146
2006-09-30	133
2006-12-31	110
2007-03-31	106
2007-06-30	116
2007-09-30	118
2007-12-31	167
2008-03-31	135
2008-06-30	101
2008-09-30	134
2008-12-31	338
2009-03-31	401
2009-06-30	336
2009-09-30	360
2009-12-31	331
2010-03-31	338
2010-06-30	355
2010-09-30	361
2010-12-31	330
2011-03-31	357
2011-06-30	385
2011-09-30	411
2011-12-31	413
2012-03-31	350
2012-06-30	458
2012-09-30	568
2012-12-31	196
2013-03-31	182
2013-06-30	229
2013-09-30	254
2013-12-31	241
2014-03-31	255
2014-06-30	224
2014-09-30	180
2014-12-31	236
2015-03-31	600
2015-06-30	720
2015-09-30	348
2015-12-31	215
2016-03-31	217
2016-06-30	209
2016-09-30	204
2016-12-31	220
2017-03-31	215
2017-06-30	1122
2017-09-30	1138
2017-12-31	1024
2018-03-31	964
2018-06-30	841
2018-09-30	859
2018-12-31	840
2019-03-31	860
2019-06-30	890
2019-09-30	936
2019-12-31	819
2020-03-31	827
2020-06-30	1237
2020-09-30	835
2020-12-31	867
2021-03-31	916
2021-06-30	878
2021-09-30	930
2021-12-31	935
2022-03-31	983
2022-06-30	1132
2022-09-30	848
2022-12-31	828
2023-03-31	808
2023-06-30	479
2023-09-30	471