Quarter	US dollars
2004-12-31	35
2005-03-31	70
2005-06-30	73
2005-09-30	78
2005-12-31	98
2006-03-31	130
2006-06-30	190
2006-09-30	174
2006-12-31	358
2007-03-31	204
2007-06-30	98
2007-09-30	230
2007-12-31	303
2008-03-31	813
2008-06-30	736
2008-09-30	421
2008-12-31	513
2009-03-31	404
2009-06-30	492
2009-09-30	720
2009-12-31	869
2010-03-31	972
2010-06-30	904
2010-09-30	911
2010-12-31	1328
2011-03-31	657
2011-06-30	763
2011-09-30	746
2011-12-31	490
2012-03-31	411
2012-06-30	450
2012-09-30	449
2012-12-31	508
2013-03-31	709
2013-06-30	905
2013-09-30	740
2013-12-31	678
2014-03-31	452
2014-06-30	614
2014-09-30	832
2014-12-31	682
2015-03-31	454
2015-06-30	585
2015-09-30	451
2015-12-31	378
2016-03-31	348
2016-06-30	129
2016-09-30	125
2016-12-31	172
2017-03-31	201
2017-06-30	921
2017-09-30	668
2017-12-31	393
2018-03-31	407
2018-06-30	260
2018-09-30	1072
2018-12-31	1154
2019-03-31	977
2019-06-30	852
2019-09-30	1111
2019-12-31	182
2020-03-31	181
2020-06-30	206
2020-09-30	128
2020-12-31	187
2021-03-31	225
2021-06-30	276
2021-09-30	333
2021-12-31	334
2022-03-31	1178
2022-06-30	257
2022-09-30	166
2022-12-31	251
2023-03-31	133
2023-06-30	242
2023-09-30	231