Quarter	US dollars
2004-12-31	194
2005-03-31	250
2005-06-30	281
2005-09-30	407
2005-12-31	14
2006-03-31	1216
2006-06-30	1483
2006-09-30	2522
2006-12-31	3540
2007-03-31	3515
2007-06-30	3411
2007-09-30	3843
2007-12-31	3211
2008-03-31	2860
2008-06-30	2730
2008-09-30	2267
2008-12-31	227
2009-03-31	351
2009-06-30	265
2009-09-30	560
2009-12-31	846
2010-03-31	1321
2010-06-30	1338
2010-09-30	1442
2010-12-31	1288
2011-03-31	2061
2011-06-30	1920
2011-09-30	1031
2011-12-31	1291
2012-03-31	1747
2012-06-30	638
2012-09-30	1791
2012-12-31	2695
2013-03-31	1629
2013-06-30	783
2013-09-30	1364
2013-12-31	1250
2014-03-31	729
2014-06-30	821
2014-09-30	825
2014-12-31	261
2015-03-31	178
2015-06-30	280
2015-09-30	208
2015-12-31	587
2016-03-31	779
2016-06-30	865
2016-09-30	747
2016-12-31	778
2017-03-31	901
2017-06-30	1087
2017-09-30	1002
2017-12-31	611
2018-03-31	1638
2018-06-30	1312
2018-09-30	947
2018-12-31	858
2019-03-31	820
2019-06-30	1184
2019-09-30	817
2019-12-31	1147
2020-03-31	1111
2020-06-30	1238
2020-09-30	1208
2020-12-31	2133
2021-03-31	1293
2021-06-30	300
2021-09-30	193
2021-12-31	387
2022-03-31	105
2022-06-30	67
2022-09-30	105
2022-12-31	42
2023-03-31	35
2023-06-30	34
2023-09-30	32