Quarter	US dollars
2004-12-31	138
2005-03-31	352
2005-06-30	326
2005-09-30	400
2005-12-31	148
2006-03-31	435
2006-06-30	261
2006-09-30	418
2006-12-31	945
2007-03-31	581
2007-06-30	506
2007-09-30	570
2007-12-31	599
2008-03-31	916
2008-06-30	812
2008-09-30	822
2008-12-31	2143
2009-03-31	598
2009-06-30	669
2009-09-30	611
2009-12-31	719
2010-03-31	689
2010-06-30	661
2010-09-30	1049
2010-12-31	878
2011-03-31	755
2011-06-30	756
2011-09-30	819
2011-12-31	549
2012-03-31	200
2012-06-30	262
2012-09-30	392
2012-12-31	652
2013-03-31	644
2013-06-30	555
2013-09-30	588
2013-12-31	299
2014-03-31	285
2014-06-30	202
2014-09-30	245
2014-12-31	200
2015-03-31	257
2015-06-30	181
2015-09-30	135
2015-12-31	199
2016-03-31	269
2016-06-30	181
2016-09-30	229
2016-12-31	239
2017-03-31	180
2017-06-30	253
2017-09-30	204
2017-12-31	166
2018-03-31	232
2018-06-30	217
2018-09-30	293
2018-12-31	212
2019-03-31	253
2019-06-30	284
2019-09-30	361
2019-12-31	762
2020-03-31	396
2020-06-30	340
2020-09-30	142
2020-12-31	123
2021-03-31	61
2021-06-30	149
2021-09-30	93
2021-12-31	178
2022-03-31	133
2022-06-30	112
2022-09-30	158
2022-12-31	163
2023-03-31	128
2023-06-30	175
2023-09-30	110