Quarter	US dollars
2004-12-31	67
2005-03-31	8
2005-06-30	22
2005-09-30	81
2005-12-31	117
2006-03-31	94
2006-06-30	128
2006-09-30	230
2006-12-31	84
2007-03-31	82
2007-06-30	122
2007-09-30	181
2007-12-31	195
2008-03-31	211
2008-06-30	376
2008-09-30	305
2008-12-31	469
2009-03-31	921
2009-06-30	319
2009-09-30	581
2009-12-31	509
2010-03-31	544
2010-06-30	639
2010-09-30	632
2010-12-31	560
2011-03-31	712
2011-06-30	300
2011-09-30	243
2011-12-31	224
2012-03-31	177
2012-06-30	267
2012-09-30	173
2012-12-31	162
2013-03-31	103
2013-06-30	140
2013-09-30	199
2013-12-31	321
2014-03-31	183
2014-06-30	154
2014-09-30	170
2014-12-31	361
2015-03-31	353
2015-06-30	304
2015-09-30	383
2015-12-31	178
2016-03-31	196
2016-06-30	152
2016-09-30	173
2016-12-31	157
2017-03-31	153
2017-06-30	436
2017-09-30	420
2017-12-31	327
2018-03-31	379
2018-06-30	382
2018-09-30	393
2018-12-31	363
2019-03-31	347
2019-06-30	262
2019-09-30	129
2019-12-31	152
2020-03-31	223
2020-06-30	199
2020-09-30	352
2020-12-31	598
2021-03-31	527
2021-06-30	633
2021-09-30	421
2021-12-31	400
2022-03-31	729
2022-06-30	483
2022-09-30	682
2022-12-31	1162
2023-03-31	729
2023-06-30	814
2023-09-30	827