Quarter	US dollars
2004-12-31	52
2005-03-31	30
2005-06-30	47
2005-09-30	51
2005-12-31	69
2006-03-31	56
2006-06-30	57
2006-09-30	65
2006-12-31	67
2007-03-31	75
2007-06-30	74
2007-09-30	149
2007-12-31	157
2008-03-31	165
2008-06-30	197
2008-09-30	226
2008-12-31	187
2009-03-31	232
2009-06-30	227
2009-09-30	230
2009-12-31	265
2010-03-31	80
2010-06-30	190
2010-09-30	158
2010-12-31	174
2011-03-31	146
2011-06-30	140
2011-09-30	212
2011-12-31	147
2012-03-31	168
2012-06-30	196
2012-09-30	241
2012-12-31	199
2013-03-31	258
2013-06-30	212
2013-09-30	222
2013-12-31	200
2014-03-31	302
2014-06-30	318
2014-09-30	302
2014-12-31	293
2015-03-31	374
2015-06-30	409
2015-09-30	251
2015-12-31	264
2016-03-31	230
2016-06-30	256
2016-09-30	297
2016-12-31	225
2017-03-31	238
2017-06-30	238
2017-09-30	184
2017-12-31	215
2018-03-31	191
2018-06-30	305
2018-09-30	237
2018-12-31	268
2019-03-31	319
2019-06-30	359
2019-09-30	367
2019-12-31	345
2020-03-31	406
2020-06-30	414
2020-09-30	429
2020-12-31	374
2021-03-31	297
2021-06-30	304
2021-09-30	299
2021-12-31	265
2022-03-31	319
2022-06-30	397
2022-09-30	404
2022-12-31	475
2023-03-31	540
2023-06-30	586
2023-09-30	532