Quarter	US dollars
2004-12-31	250
2005-03-31	168
2005-06-30	147
2005-09-30	278
2005-12-31	206
2006-03-31	151
2006-06-30	96
2006-09-30	136
2006-12-31	119
2007-03-31	114
2007-06-30	150
2007-09-30	141
2007-12-31	66
2008-03-31	113
2008-06-30	137
2008-09-30	107
2008-12-31	65
2009-03-31	155
2009-06-30	140
2009-09-30	157
2009-12-31	84
2010-03-31	115
2010-06-30	229
2010-09-30	221
2010-12-31	141
2011-03-31	208
2011-06-30	228
2011-09-30	252
2011-12-31	136
2012-03-31	105
2012-06-30	257
2012-09-30	325
2012-12-31	144
2013-03-31	199
2013-06-30	196
2013-09-30	272
2013-12-31	177
2014-03-31	237
2014-06-30	188
2014-09-30	204
2014-12-31	253
2015-03-31	243
2015-06-30	275
2015-09-30	485
2015-12-31	329
2016-03-31	247
2016-06-30	114
2016-09-30	166
2016-12-31	224
2017-03-31	278
2017-06-30	340
2017-09-30	511
2017-12-31	281
2018-03-31	414
2018-06-30	419
2018-09-30	382
2018-12-31	263
2019-03-31	253
2019-06-30	392
2019-09-30	381
2019-12-31	383
2020-03-31	624
2020-06-30	356
2020-09-30	437
2020-12-31	455
2021-03-31	421
2021-06-30	694
2021-09-30	413
2021-12-31	373
2022-03-31	342
2022-06-30	275
2022-09-30	340
2022-12-31	299
2023-03-31	245
2023-06-30	315
2023-09-30	286