Quarter	US dollars
2004-12-31	111
2005-03-31	255
2005-06-30	212
2005-09-30	73
2005-12-31	118
2006-03-31	137
2006-06-30	137
2006-09-30	82
2006-12-31	39
2007-03-31	31
2007-06-30	42
2007-09-30	26
2007-12-31	26
2008-03-31	316
2008-06-30	281
2008-09-30	130
2008-12-31	82
2009-03-31	26
2009-06-30	31
2009-09-30	26
2009-12-31	52
2010-03-31	94
2010-06-30	28
2010-09-30	43
2010-12-31	100
2011-03-31	75
2011-06-30	145
2011-09-30	117
2011-12-31	169
2012-03-31	187
2012-06-30	293
2012-09-30	149
2012-12-31	215
2013-03-31	184
2013-06-30	212
2013-09-30	212
2013-12-31	1192
2014-03-31	1035
2014-06-30	472
2014-09-30	548
2014-12-31	551
2015-03-31	855
2015-06-30	1054
2015-09-30	1339
2015-12-31	1280
2016-03-31	968
2016-06-30	772
2016-09-30	481
2016-12-31	538
2017-03-31	406
2017-06-30	1502
2017-09-30	1359
2017-12-31	1550
2018-03-31	1392
2018-06-30	1194
2018-09-30	1214
2018-12-31	1488
2019-03-31	739
2019-06-30	804
2019-09-30	717
2019-12-31	530
2020-03-31	589
2020-06-30	482
2020-09-30	584
2020-12-31	620
2021-03-31	768
2021-06-30	912
2021-09-30	616
2021-12-31	557
2022-03-31	537
2022-06-30	648
2022-09-30	610
2022-12-31	569
2023-03-31	554
2023-06-30	467
2023-09-30	378