Quarter	US dollars
2004-12-31	90
2005-03-31	100
2005-06-30	109
2005-09-30	119
2005-12-31	149
2006-03-31	135
2006-06-30	148
2006-09-30	144
2006-12-31	129
2007-03-31	116
2007-06-30	134
2007-09-30	137
2007-12-31	197
2008-03-31	163
2008-06-30	137
2008-09-30	198
2008-12-31	395
2009-03-31	434
2009-06-30	357
2009-09-30	381
2009-12-31	350
2010-03-31	356
2010-06-30	373
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	226
2014-09-30	185
2014-12-31	240
2015-03-31	664
2015-06-30	746
2015-09-30	374
2015-12-31	237
2016-03-31	585
2016-06-30	248
2016-09-30	223
2016-12-31	230
2017-03-31	224
2017-06-30	1189
2017-09-30	1280
2017-12-31	1173
2018-03-31	1168
2018-06-30	977
2018-09-30	999
2018-12-31	1010
2019-03-31	1022
2019-06-30	1087
2019-09-30	1321
2019-12-31	1419
2020-03-31	1439
2020-06-30	1707
2020-09-30	1281
2020-12-31	1086
2021-03-31	1156
2021-06-30	1222
2021-09-30	1286
2021-12-31	1357
2022-03-31	1780
2022-06-30	1989
2022-09-30	1788
2022-12-31	2019
2023-03-31	1959
2023-06-30	1502
2023-09-30	1436